319585220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{2797}}^1$

素因数の和:3032

約数の個数: 48

約数和(自身を含む): 698045040

約数和(自身を除く): 378459820

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 197, 290, 394, 580, 788, 985, 1970, 2797, 3940, 5594, 5713, 11188, 11426, 13985, 22852, 27970, 28565, 55940, 57130, 81113, 114260, 162226, 324452, 405565, 551009, 811130, 1102018, 1622260, 2204036, 2755045, 5510090, 11020180, 15979261, 31958522, 63917044, 79896305, 159792610, 319585220]

約数ペア:

[(1, 319585220), (2, 159792610), (4, 79896305), (5, 63917044), (10, 31958522), (20, 15979261), (29, 11020180), (58, 5510090), (116, 2755045), (145, 2204036), (197, 1622260), (290, 1102018), (394, 811130), (580, 551009), (788, 405565), (985, 324452), (1970, 162226), (2797, 114260), (3940, 81113), (5594, 57130), (5713, 55940), (11188, 28565), (11426, 27970), (13985, 22852)]