440533240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4871}}^1$

素因数の和:4925

約数の個数: 128

約数和(自身を含む): 1262822400

約数和(自身を除く): 822289160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 34, 35, 38, 40, 56, 68, 70, 76, 85, 95, 119, 133, 136, 140, 152, 170, 190, 238, 266, 280, 323, 340, 380, 476, 532, 595, 646, 665, 680, 760, 952, 1064, 1190, 1292, 1330, 1615, 2261, 2380, 2584, 2660, 3230, 4522, 4760, 4871, 5320, 6460, 9044, 9742, 11305, 12920, 18088, 19484, 22610, 24355, 34097, 38968, 45220, 48710, 68194, 82807, 90440, 92549, 97420, 136388, 165614, 170485, 185098, 194840, 272776, 331228, 340970, 370196, 414035, 462745, 579649, 647843, 662456, 681940, 740392, 828070, 925490, 1159298, 1295686, 1363880, 1573333, 1656140, 1850980, 2318596, 2591372, 2898245, 3146666, 3239215, 3312280, 3701960, 4637192, 5182744, 5796490, 6293332, 6478430, 7866665, 11013331, 11592980, 12586664, 12956860, 15733330, 22026662, 23185960, 25913720, 31466660, 44053324, 55066655, 62933320, 88106648, 110133310, 220266620, 440533240]

約数ペア:

[(1, 440533240), (2, 220266620), (4, 110133310), (5, 88106648), (7, 62933320), (8, 55066655), (10, 44053324), (14, 31466660), (17, 25913720), (19, 23185960), (20, 22026662), (28, 15733330), (34, 12956860), (35, 12586664), (38, 11592980), (40, 11013331), (56, 7866665), (68, 6478430), (70, 6293332), (76, 5796490), (85, 5182744), (95, 4637192), (119, 3701960), (133, 3312280), (136, 3239215), (140, 3146666), (152, 2898245), (170, 2591372), (190, 2318596), (238, 1850980), (266, 1656140), (280, 1573333), (323, 1363880), (340, 1295686), (380, 1159298), (476, 925490), (532, 828070), (595, 740392), (646, 681940), (665, 662456), (680, 647843), (760, 579649), (952, 462745), (1064, 414035), (1190, 370196), (1292, 340970), (1330, 331228), (1615, 272776), (2261, 194840), (2380, 185098), (2584, 170485), (2660, 165614), (3230, 136388), (4522, 97420), (4760, 92549), (4871, 90440), (5320, 82807), (6460, 68194), (9044, 48710), (9742, 45220), (11305, 38968), (12920, 34097), (18088, 24355), (19484, 22610)]