31862740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 87275664

約数和(自身を除く): 55412924

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 41, 49, 52, 61, 65, 70, 82, 91, 98, 122, 130, 140, 164, 182, 196, 205, 244, 245, 260, 287, 305, 364, 410, 427, 455, 490, 533, 574, 610, 637, 793, 820, 854, 910, 980, 1066, 1148, 1220, 1274, 1435, 1586, 1708, 1820, 2009, 2132, 2135, 2501, 2548, 2665, 2870, 2989, 3172, 3185, 3731, 3965, 4018, 4270, 5002, 5330, 5551, 5740, 5978, 6370, 7462, 7930, 8036, 8540, 10004, 10045, 10660, 11102, 11956, 12505, 12740, 14924, 14945, 15860, 17507, 18655, 20090, 22204, 25010, 26117, 27755, 29890, 32513, 35014, 37310, 38857, 40180, 50020, 52234, 55510, 59780, 65026, 70028, 74620, 77714, 87535, 104468, 111020, 122549, 130052, 130585, 155428, 162565, 175070, 194285, 227591, 245098, 261170, 325130, 350140, 388570, 455182, 490196, 522340, 612745, 650260, 777140, 910364, 1137955, 1225490, 1593137, 2275910, 2450980, 3186274, 4551820, 6372548, 7965685, 15931370, 31862740]

約数ペア:

[(1, 31862740), (2, 15931370), (4, 7965685), (5, 6372548), (7, 4551820), (10, 3186274), (13, 2450980), (14, 2275910), (20, 1593137), (26, 1225490), (28, 1137955), (35, 910364), (41, 777140), (49, 650260), (52, 612745), (61, 522340), (65, 490196), (70, 455182), (82, 388570), (91, 350140), (98, 325130), (122, 261170), (130, 245098), (140, 227591), (164, 194285), (182, 175070), (196, 162565), (205, 155428), (244, 130585), (245, 130052), (260, 122549), (287, 111020), (305, 104468), (364, 87535), (410, 77714), (427, 74620), (455, 70028), (490, 65026), (533, 59780), (574, 55510), (610, 52234), (637, 50020), (793, 40180), (820, 38857), (854, 37310), (910, 35014), (980, 32513), (1066, 29890), (1148, 27755), (1220, 26117), (1274, 25010), (1435, 22204), (1586, 20090), (1708, 18655), (1820, 17507), (2009, 15860), (2132, 14945), (2135, 14924), (2501, 12740), (2548, 12505), (2665, 11956), (2870, 11102), (2989, 10660), (3172, 10045), (3185, 10004), (3731, 8540), (3965, 8036), (4018, 7930), (4270, 7462), (5002, 6370), (5330, 5978), (5551, 5740)]