39455780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:218

約数の個数: 144

約数和(自身を含む): 109932480

約数和(自身を除く): 70476700

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 49, 52, 65, 70, 76, 91, 95, 98, 130, 133, 140, 163, 182, 190, 196, 245, 247, 260, 266, 326, 364, 380, 455, 490, 494, 532, 637, 652, 665, 815, 910, 931, 980, 988, 1141, 1235, 1274, 1330, 1630, 1729, 1820, 1862, 2119, 2282, 2470, 2548, 2660, 3097, 3185, 3260, 3458, 3724, 4238, 4564, 4655, 4940, 5705, 6194, 6370, 6916, 7987, 8476, 8645, 9310, 10595, 11410, 12103, 12388, 12740, 14833, 15485, 15974, 17290, 18620, 21190, 21679, 22820, 24206, 29666, 30970, 31948, 34580, 39935, 40261, 42380, 43358, 48412, 59332, 60515, 61940, 74165, 79870, 80522, 86716, 103831, 108395, 121030, 148330, 151753, 159740, 161044, 201305, 207662, 216790, 242060, 281827, 296660, 303506, 402610, 415324, 433580, 519155, 563654, 607012, 758765, 805220, 1038310, 1127308, 1409135, 1517530, 1972789, 2076620, 2818270, 3035060, 3945578, 5636540, 7891156, 9863945, 19727890, 39455780]

約数ペア:

[(1, 39455780), (2, 19727890), (4, 9863945), (5, 7891156), (7, 5636540), (10, 3945578), (13, 3035060), (14, 2818270), (19, 2076620), (20, 1972789), (26, 1517530), (28, 1409135), (35, 1127308), (38, 1038310), (49, 805220), (52, 758765), (65, 607012), (70, 563654), (76, 519155), (91, 433580), (95, 415324), (98, 402610), (130, 303506), (133, 296660), (140, 281827), (163, 242060), (182, 216790), (190, 207662), (196, 201305), (245, 161044), (247, 159740), (260, 151753), (266, 148330), (326, 121030), (364, 108395), (380, 103831), (455, 86716), (490, 80522), (494, 79870), (532, 74165), (637, 61940), (652, 60515), (665, 59332), (815, 48412), (910, 43358), (931, 42380), (980, 40261), (988, 39935), (1141, 34580), (1235, 31948), (1274, 30970), (1330, 29666), (1630, 24206), (1729, 22820), (1820, 21679), (1862, 21190), (2119, 18620), (2282, 17290), (2470, 15974), (2548, 15485), (2660, 14833), (3097, 12740), (3185, 12388), (3260, 12103), (3458, 11410), (3724, 10595), (4238, 9310), (4564, 8645), (4655, 8476), (4940, 7987), (5705, 6916), (6194, 6370)]