401948960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{167}}^1\times {\mathrm{307}}^1$

素因数の和:503

約数の個数: 144

約数和(自身を含む): 1114876224

約数和(自身を除く): 712927264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 167, 196, 224, 245, 280, 307, 334, 392, 490, 560, 614, 668, 784, 835, 980, 1120, 1169, 1228, 1336, 1535, 1568, 1670, 1960, 2149, 2338, 2456, 2672, 3070, 3340, 3920, 4298, 4676, 4912, 5344, 5845, 6140, 6680, 7840, 8183, 8596, 9352, 9824, 10745, 11690, 12280, 13360, 15043, 16366, 17192, 18704, 21490, 23380, 24560, 26720, 30086, 32732, 34384, 37408, 40915, 42980, 46760, 49120, 51269, 60172, 65464, 68768, 75215, 81830, 85960, 93520, 102538, 120344, 130928, 150430, 163660, 171920, 187040, 205076, 240688, 256345, 261856, 300860, 327320, 343840, 358883, 410152, 481376, 512690, 601720, 654640, 717766, 820304, 1025380, 1203440, 1309280, 1435532, 1640608, 1794415, 2050760, 2406880, 2512181, 2871064, 3588830, 4101520, 5024362, 5742128, 7177660, 8203040, 10048724, 11484256, 12560905, 14355320, 20097448, 25121810, 28710640, 40194896, 50243620, 57421280, 80389792, 100487240, 200974480, 401948960]

約数ペア:

[(1, 401948960), (2, 200974480), (4, 100487240), (5, 80389792), (7, 57421280), (8, 50243620), (10, 40194896), (14, 28710640), (16, 25121810), (20, 20097448), (28, 14355320), (32, 12560905), (35, 11484256), (40, 10048724), (49, 8203040), (56, 7177660), (70, 5742128), (80, 5024362), (98, 4101520), (112, 3588830), (140, 2871064), (160, 2512181), (167, 2406880), (196, 2050760), (224, 1794415), (245, 1640608), (280, 1435532), (307, 1309280), (334, 1203440), (392, 1025380), (490, 820304), (560, 717766), (614, 654640), (668, 601720), (784, 512690), (835, 481376), (980, 410152), (1120, 358883), (1169, 343840), (1228, 327320), (1336, 300860), (1535, 261856), (1568, 256345), (1670, 240688), (1960, 205076), (2149, 187040), (2338, 171920), (2456, 163660), (2672, 150430), (3070, 130928), (3340, 120344), (3920, 102538), (4298, 93520), (4676, 85960), (4912, 81830), (5344, 75215), (5845, 68768), (6140, 65464), (6680, 60172), (7840, 51269), (8183, 49120), (8596, 46760), (9352, 42980), (9824, 40915), (10745, 37408), (11690, 34384), (12280, 32732), (13360, 30086), (15043, 26720), (16366, 24560), (17192, 23380), (18704, 21490)]