140245980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2549}}^1$

素因数の和:2699

約数の個数: 96

約数和(自身を含む): 452390400

約数和(自身を除く): 312144420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 131, 140, 210, 262, 393, 420, 524, 655, 786, 917, 1310, 1572, 1834, 1965, 2549, 2620, 2751, 3668, 3930, 4585, 5098, 5502, 7647, 7860, 9170, 10196, 11004, 12745, 13755, 15294, 17843, 18340, 25490, 27510, 30588, 35686, 38235, 50980, 53529, 55020, 71372, 76470, 89215, 107058, 152940, 178430, 214116, 267645, 333919, 356860, 535290, 667838, 1001757, 1070580, 1335676, 1669595, 2003514, 2337433, 3339190, 4007028, 4674866, 5008785, 6678380, 7012299, 9349732, 10017570, 11687165, 14024598, 20035140, 23374330, 28049196, 35061495, 46748660, 70122990, 140245980]

約数ペア:

[(1, 140245980), (2, 70122990), (3, 46748660), (4, 35061495), (5, 28049196), (6, 23374330), (7, 20035140), (10, 14024598), (12, 11687165), (14, 10017570), (15, 9349732), (20, 7012299), (21, 6678380), (28, 5008785), (30, 4674866), (35, 4007028), (42, 3339190), (60, 2337433), (70, 2003514), (84, 1669595), (105, 1335676), (131, 1070580), (140, 1001757), (210, 667838), (262, 535290), (393, 356860), (420, 333919), (524, 267645), (655, 214116), (786, 178430), (917, 152940), (1310, 107058), (1572, 89215), (1834, 76470), (1965, 71372), (2549, 55020), (2620, 53529), (2751, 50980), (3668, 38235), (3930, 35686), (4585, 30588), (5098, 27510), (5502, 25490), (7647, 18340), (7860, 17843), (9170, 15294), (10196, 13755), (11004, 12745)]