313496240

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{569}}^1$

素因数の和:750

約数の個数: 80

約数和(自身を含む): 748077120

約数和(自身を除く): 434580880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 97, 142, 194, 284, 355, 388, 485, 568, 569, 710, 776, 970, 1136, 1138, 1420, 1552, 1940, 2276, 2840, 2845, 3880, 4552, 5680, 5690, 6887, 7760, 9104, 11380, 13774, 22760, 27548, 34435, 40399, 45520, 55096, 55193, 68870, 80798, 110192, 110386, 137740, 161596, 201995, 220772, 275480, 275965, 323192, 403990, 441544, 550960, 551930, 646384, 807980, 883088, 1103860, 1615960, 2207720, 3231920, 3918703, 4415440, 7837406, 15674812, 19593515, 31349624, 39187030, 62699248, 78374060, 156748120, 313496240]

約数ペア:

[(1, 313496240), (2, 156748120), (4, 78374060), (5, 62699248), (8, 39187030), (10, 31349624), (16, 19593515), (20, 15674812), (40, 7837406), (71, 4415440), (80, 3918703), (97, 3231920), (142, 2207720), (194, 1615960), (284, 1103860), (355, 883088), (388, 807980), (485, 646384), (568, 551930), (569, 550960), (710, 441544), (776, 403990), (970, 323192), (1136, 275965), (1138, 275480), (1420, 220772), (1552, 201995), (1940, 161596), (2276, 137740), (2840, 110386), (2845, 110192), (3880, 80798), (4552, 68870), (5680, 55193), (5690, 55096), (6887, 45520), (7760, 40399), (9104, 34435), (11380, 27548), (13774, 22760)]