397237120

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:325

約数の個数: 192

約数和(自身を含む): 1130241600

約数和(自身を除く): 733004480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 53, 56, 64, 70, 80, 98, 106, 112, 128, 140, 160, 196, 212, 224, 239, 245, 265, 280, 320, 371, 392, 424, 448, 478, 490, 530, 560, 640, 742, 784, 848, 896, 956, 980, 1060, 1120, 1195, 1484, 1568, 1673, 1696, 1855, 1912, 1960, 2120, 2240, 2390, 2597, 2968, 3136, 3346, 3392, 3710, 3824, 3920, 4240, 4480, 4780, 5194, 5936, 6272, 6692, 6784, 7420, 7648, 7840, 8365, 8480, 9560, 10388, 11711, 11872, 12667, 12985, 13384, 14840, 15296, 15680, 16730, 16960, 19120, 20776, 23422, 23744, 25334, 25970, 26768, 29680, 30592, 31360, 33460, 33920, 38240, 41552, 46844, 47488, 50668, 51940, 53536, 58555, 59360, 63335, 66920, 76480, 83104, 88669, 93688, 101336, 103880, 107072, 117110, 118720, 126670, 133840, 152960, 166208, 177338, 187376, 202672, 207760, 214144, 234220, 237440, 253340, 267680, 332416, 354676, 374752, 405344, 415520, 443345, 468440, 506680, 535360, 620683, 709352, 749504, 810688, 831040, 886690, 936880, 1013360, 1070720, 1241366, 1418704, 1499008, 1621376, 1662080, 1773380, 1873760, 2026720, 2482732, 2837408, 3103415, 3546760, 3747520, 4053440, 4965464, 5674816, 6206830, 7093520, 7495040, 8106880, 9930928, 11349632, 12413660, 14187040, 19861856, 24827320, 28374080, 39723712, 49654640, 56748160, 79447424, 99309280, 198618560, 397237120]

約数ペア:

[(1, 397237120), (2, 198618560), (4, 99309280), (5, 79447424), (7, 56748160), (8, 49654640), (10, 39723712), (14, 28374080), (16, 24827320), (20, 19861856), (28, 14187040), (32, 12413660), (35, 11349632), (40, 9930928), (49, 8106880), (53, 7495040), (56, 7093520), (64, 6206830), (70, 5674816), (80, 4965464), (98, 4053440), (106, 3747520), (112, 3546760), (128, 3103415), (140, 2837408), (160, 2482732), (196, 2026720), (212, 1873760), (224, 1773380), (239, 1662080), (245, 1621376), (265, 1499008), (280, 1418704), (320, 1241366), (371, 1070720), (392, 1013360), (424, 936880), (448, 886690), (478, 831040), (490, 810688), (530, 749504), (560, 709352), (640, 620683), (742, 535360), (784, 506680), (848, 468440), (896, 443345), (956, 415520), (980, 405344), (1060, 374752), (1120, 354676), (1195, 332416), (1484, 267680), (1568, 253340), (1673, 237440), (1696, 234220), (1855, 214144), (1912, 207760), (1960, 202672), (2120, 187376), (2240, 177338), (2390, 166208), (2597, 152960), (2968, 133840), (3136, 126670), (3346, 118720), (3392, 117110), (3710, 107072), (3824, 103880), (3920, 101336), (4240, 93688), (4480, 88669), (4780, 83104), (5194, 76480), (5936, 66920), (6272, 63335), (6692, 59360), (6784, 58555), (7420, 53536), (7648, 51940), (7840, 50668), (8365, 47488), (8480, 46844), (9560, 41552), (10388, 38240), (11711, 33920), (11872, 33460), (12667, 31360), (12985, 30592), (13384, 29680), (14840, 26768), (15296, 25970), (15680, 25334), (16730, 23744), (16960, 23422), (19120, 20776)]