252156940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{3257}}^1$

素因数の和:3359

約数の個数: 72

約数和(自身を含む): 623972160

約数和(自身を除く): 371815220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 196, 245, 316, 395, 490, 553, 790, 980, 1106, 1580, 2212, 2765, 3257, 3871, 5530, 6514, 7742, 11060, 13028, 15484, 16285, 19355, 22799, 32570, 38710, 45598, 65140, 77420, 91196, 113995, 159593, 227990, 257303, 319186, 455980, 514606, 638372, 797965, 1029212, 1286515, 1595930, 1801121, 2573030, 3191860, 3602242, 5146060, 7204484, 9005605, 12607847, 18011210, 25215694, 36022420, 50431388, 63039235, 126078470, 252156940]

約数ペア:

[(1, 252156940), (2, 126078470), (4, 63039235), (5, 50431388), (7, 36022420), (10, 25215694), (14, 18011210), (20, 12607847), (28, 9005605), (35, 7204484), (49, 5146060), (70, 3602242), (79, 3191860), (98, 2573030), (140, 1801121), (158, 1595930), (196, 1286515), (245, 1029212), (316, 797965), (395, 638372), (490, 514606), (553, 455980), (790, 319186), (980, 257303), (1106, 227990), (1580, 159593), (2212, 113995), (2765, 91196), (3257, 77420), (3871, 65140), (5530, 45598), (6514, 38710), (7742, 32570), (11060, 22799), (13028, 19355), (15484, 16285)]