384178040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{631}}^1$

素因数の和:1164

約数の個数: 64

約数和(自身を含む): 895518720

約数和(自身を除く): 511340680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 491, 620, 631, 982, 1240, 1262, 1964, 2455, 2524, 3155, 3928, 4910, 5048, 6310, 9820, 12620, 15221, 19561, 19640, 25240, 30442, 39122, 60884, 76105, 78244, 97805, 121768, 152210, 156488, 195610, 304420, 309821, 391220, 608840, 619642, 782440, 1239284, 1549105, 2478568, 3098210, 6196420, 9604451, 12392840, 19208902, 38417804, 48022255, 76835608, 96044510, 192089020, 384178040]

約数ペア:

[(1, 384178040), (2, 192089020), (4, 96044510), (5, 76835608), (8, 48022255), (10, 38417804), (20, 19208902), (31, 12392840), (40, 9604451), (62, 6196420), (124, 3098210), (155, 2478568), (248, 1549105), (310, 1239284), (491, 782440), (620, 619642), (631, 608840), (982, 391220), (1240, 309821), (1262, 304420), (1964, 195610), (2455, 156488), (2524, 152210), (3155, 121768), (3928, 97805), (4910, 78244), (5048, 76105), (6310, 60884), (9820, 39122), (12620, 30442), (15221, 25240), (19561, 19640)]