69967880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2141}}^1$

素因数の和:2214

約数の個数: 64

約数和(自身を含む): 169646400

約数和(自身を除く): 99678520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 2141, 3268, 4085, 4282, 6536, 8170, 8564, 10705, 16340, 17128, 21410, 32680, 40679, 42820, 81358, 85640, 92063, 162716, 184126, 203395, 325432, 368252, 406790, 460315, 736504, 813580, 920630, 1627160, 1749197, 1841260, 3498394, 3682520, 6996788, 8745985, 13993576, 17491970, 34983940, 69967880]

約数ペア:

[(1, 69967880), (2, 34983940), (4, 17491970), (5, 13993576), (8, 8745985), (10, 6996788), (19, 3682520), (20, 3498394), (38, 1841260), (40, 1749197), (43, 1627160), (76, 920630), (86, 813580), (95, 736504), (152, 460315), (172, 406790), (190, 368252), (215, 325432), (344, 203395), (380, 184126), (430, 162716), (760, 92063), (817, 85640), (860, 81358), (1634, 42820), (1720, 40679), (2141, 32680), (3268, 21410), (4085, 17128), (4282, 16340), (6536, 10705), (8170, 8564)]