407621480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{311}}^1$

素因数の和:511

約数の個数: 128

約数和(自身を含む): 1092648960

約数和(自身を除く): 685027480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 151, 155, 217, 248, 280, 302, 310, 311, 434, 604, 620, 622, 755, 868, 1057, 1085, 1208, 1240, 1244, 1510, 1555, 1736, 2114, 2170, 2177, 2488, 3020, 3110, 4228, 4340, 4354, 4681, 5285, 6040, 6220, 8456, 8680, 8708, 9362, 9641, 10570, 10885, 12440, 17416, 18724, 19282, 21140, 21770, 23405, 32767, 37448, 38564, 42280, 43540, 46810, 46961, 48205, 65534, 67487, 77128, 87080, 93620, 93922, 96410, 131068, 134974, 163835, 187240, 187844, 192820, 234805, 262136, 269948, 327670, 328727, 337435, 375688, 385640, 469610, 539896, 655340, 657454, 674870, 939220, 1310680, 1314908, 1349740, 1455791, 1643635, 1878440, 2629816, 2699480, 2911582, 3287270, 5823164, 6574540, 7278955, 10190537, 11646328, 13149080, 14557910, 20381074, 29115820, 40762148, 50952685, 58231640, 81524296, 101905370, 203810740, 407621480]

約数ペア:

[(1, 407621480), (2, 203810740), (4, 101905370), (5, 81524296), (7, 58231640), (8, 50952685), (10, 40762148), (14, 29115820), (20, 20381074), (28, 14557910), (31, 13149080), (35, 11646328), (40, 10190537), (56, 7278955), (62, 6574540), (70, 5823164), (124, 3287270), (140, 2911582), (151, 2699480), (155, 2629816), (217, 1878440), (248, 1643635), (280, 1455791), (302, 1349740), (310, 1314908), (311, 1310680), (434, 939220), (604, 674870), (620, 657454), (622, 655340), (755, 539896), (868, 469610), (1057, 385640), (1085, 375688), (1208, 337435), (1240, 328727), (1244, 327670), (1510, 269948), (1555, 262136), (1736, 234805), (2114, 192820), (2170, 187844), (2177, 187240), (2488, 163835), (3020, 134974), (3110, 131068), (4228, 96410), (4340, 93922), (4354, 93620), (4681, 87080), (5285, 77128), (6040, 67487), (6220, 65534), (8456, 48205), (8680, 46961), (8708, 46810), (9362, 43540), (9641, 42280), (10570, 38564), (10885, 37448), (12440, 32767), (17416, 23405), (18724, 21770), (19282, 21140)]