1378717900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:357

約数の個数: 216

約数和(自身を含む): 3740385600

約数和(自身を除く): 2361667700

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 49, 50, 59, 70, 76, 95, 98, 100, 118, 133, 140, 175, 190, 196, 236, 245, 251, 266, 295, 350, 380, 413, 475, 490, 502, 532, 590, 665, 700, 826, 931, 950, 980, 1004, 1121, 1180, 1225, 1255, 1330, 1475, 1652, 1757, 1862, 1900, 2065, 2242, 2450, 2510, 2660, 2891, 2950, 3325, 3514, 3724, 4130, 4484, 4655, 4769, 4900, 5020, 5605, 5782, 5900, 6275, 6650, 7028, 7847, 8260, 8785, 9310, 9538, 10325, 11210, 11564, 12299, 12550, 13300, 14455, 14809, 15694, 17570, 18620, 19076, 20650, 22420, 23275, 23845, 24598, 25100, 28025, 28910, 29618, 31388, 33383, 35140, 39235, 41300, 43925, 46550, 47690, 49196, 54929, 56050, 57820, 59236, 61495, 66766, 72275, 74045, 78470, 87850, 93100, 95380, 103663, 109858, 112100, 119225, 122990, 133532, 144550, 148090, 156940, 166915, 175700, 196175, 207326, 219716, 233681, 238450, 245980, 274645, 281371, 289100, 296180, 307475, 333830, 370225, 392350, 414652, 467362, 476900, 518315, 549290, 562742, 614950, 667660, 725641, 740450, 784700, 834575, 934724, 1036630, 1098580, 1125484, 1168405, 1229900, 1373225, 1406855, 1451282, 1480900, 1669150, 1969597, 2073260, 2336810, 2591575, 2746450, 2813710, 2902564, 3338300, 3628205, 3939194, 4673620, 5183150, 5492900, 5627420, 5842025, 7034275, 7256410, 7878388, 9847985, 10366300, 11684050, 13787179, 14068550, 14512820, 18141025, 19695970, 23368100, 27574358, 28137100, 36282050, 39391940, 49239925, 55148716, 68935895, 72564100, 98479850, 137871790, 196959700, 275743580, 344679475, 689358950, 1378717900]

約数ペア:

[(1, 1378717900), (2, 689358950), (4, 344679475), (5, 275743580), (7, 196959700), (10, 137871790), (14, 98479850), (19, 72564100), (20, 68935895), (25, 55148716), (28, 49239925), (35, 39391940), (38, 36282050), (49, 28137100), (50, 27574358), (59, 23368100), (70, 19695970), (76, 18141025), (95, 14512820), (98, 14068550), (100, 13787179), (118, 11684050), (133, 10366300), (140, 9847985), (175, 7878388), (190, 7256410), (196, 7034275), (236, 5842025), (245, 5627420), (251, 5492900), (266, 5183150), (295, 4673620), (350, 3939194), (380, 3628205), (413, 3338300), (475, 2902564), (490, 2813710), (502, 2746450), (532, 2591575), (590, 2336810), (665, 2073260), (700, 1969597), (826, 1669150), (931, 1480900), (950, 1451282), (980, 1406855), (1004, 1373225), (1121, 1229900), (1180, 1168405), (1225, 1125484), (1255, 1098580), (1330, 1036630), (1475, 934724), (1652, 834575), (1757, 784700), (1862, 740450), (1900, 725641), (2065, 667660), (2242, 614950), (2450, 562742), (2510, 549290), (2660, 518315), (2891, 476900), (2950, 467362), (3325, 414652), (3514, 392350), (3724, 370225), (4130, 333830), (4484, 307475), (4655, 296180), (4769, 289100), (4900, 281371), (5020, 274645), (5605, 245980), (5782, 238450), (5900, 233681), (6275, 219716), (6650, 207326), (7028, 196175), (7847, 175700), (8260, 166915), (8785, 156940), (9310, 148090), (9538, 144550), (10325, 133532), (11210, 122990), (11564, 119225), (12299, 112100), (12550, 109858), (13300, 103663), (14455, 95380), (14809, 93100), (15694, 87850), (17570, 78470), (18620, 74045), (19076, 72275), (20650, 66766), (22420, 61495), (23275, 59236), (23845, 57820), (24598, 56050), (25100, 54929), (28025, 49196), (28910, 47690), (29618, 46550), (31388, 43925), (33383, 41300), (35140, 39235)]