212587960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21517}}^1$

素因数の和:21560

約数の個数: 64

約数和(自身を含む): 542253600

約数和(自身を除く): 329665640

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 21517, 43034, 86068, 107585, 172136, 215170, 279721, 408823, 430340, 559442, 817646, 860680, 1118884, 1398605, 1635292, 2044115, 2237768, 2797210, 3270584, 4088230, 5314699, 5594420, 8176460, 10629398, 11188840, 16352920, 21258796, 26573495, 42517592, 53146990, 106293980, 212587960]

約数ペア:

[(1, 212587960), (2, 106293980), (4, 53146990), (5, 42517592), (8, 26573495), (10, 21258796), (13, 16352920), (19, 11188840), (20, 10629398), (26, 8176460), (38, 5594420), (40, 5314699), (52, 4088230), (65, 3270584), (76, 2797210), (95, 2237768), (104, 2044115), (130, 1635292), (152, 1398605), (190, 1118884), (247, 860680), (260, 817646), (380, 559442), (494, 430340), (520, 408823), (760, 279721), (988, 215170), (1235, 172136), (1976, 107585), (2470, 86068), (4940, 43034), (9880, 21517)]