375227720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:499

約数の個数: 128

約数和(自身を含む): 1006387200

約数和(自身を除く): 631159480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 139, 140, 155, 217, 248, 278, 280, 310, 311, 434, 556, 620, 622, 695, 868, 973, 1085, 1112, 1240, 1244, 1390, 1555, 1736, 1946, 2170, 2177, 2488, 2780, 3110, 3892, 4309, 4340, 4354, 4865, 5560, 6220, 7784, 8618, 8680, 8708, 9641, 9730, 10885, 12440, 17236, 17416, 19282, 19460, 21545, 21770, 30163, 34472, 38564, 38920, 43090, 43229, 43540, 48205, 60326, 67487, 77128, 86180, 86458, 87080, 96410, 120652, 134974, 150815, 172360, 172916, 192820, 216145, 241304, 269948, 301630, 302603, 337435, 345832, 385640, 432290, 539896, 603260, 605206, 674870, 864580, 1206520, 1210412, 1340099, 1349740, 1513015, 1729160, 2420824, 2680198, 2699480, 3026030, 5360396, 6052060, 6700495, 9380693, 10720792, 12104120, 13400990, 18761386, 26801980, 37522772, 46903465, 53603960, 75045544, 93806930, 187613860, 375227720]

約数ペア:

[(1, 375227720), (2, 187613860), (4, 93806930), (5, 75045544), (7, 53603960), (8, 46903465), (10, 37522772), (14, 26801980), (20, 18761386), (28, 13400990), (31, 12104120), (35, 10720792), (40, 9380693), (56, 6700495), (62, 6052060), (70, 5360396), (124, 3026030), (139, 2699480), (140, 2680198), (155, 2420824), (217, 1729160), (248, 1513015), (278, 1349740), (280, 1340099), (310, 1210412), (311, 1206520), (434, 864580), (556, 674870), (620, 605206), (622, 603260), (695, 539896), (868, 432290), (973, 385640), (1085, 345832), (1112, 337435), (1240, 302603), (1244, 301630), (1390, 269948), (1555, 241304), (1736, 216145), (1946, 192820), (2170, 172916), (2177, 172360), (2488, 150815), (2780, 134974), (3110, 120652), (3892, 96410), (4309, 87080), (4340, 86458), (4354, 86180), (4865, 77128), (5560, 67487), (6220, 60326), (7784, 48205), (8618, 43540), (8680, 43229), (8708, 43090), (9641, 38920), (9730, 38564), (10885, 34472), (12440, 30163), (17236, 21770), (17416, 21545), (19282, 19460)]