318657950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{877}}^1$

素因数の和:958

約数の個数: 72

約数和(自身を含む): 657478008

約数和(自身を除く): 338820058

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 65, 86, 130, 169, 215, 325, 338, 430, 559, 650, 845, 877, 1075, 1118, 1690, 1754, 2150, 2795, 4225, 4385, 5590, 7267, 8450, 8770, 11401, 13975, 14534, 21925, 22802, 27950, 36335, 37711, 43850, 57005, 72670, 75422, 114010, 148213, 181675, 188555, 285025, 296426, 363350, 377110, 490243, 570050, 741065, 942775, 980486, 1482130, 1885550, 2451215, 3705325, 4902430, 6373159, 7410650, 12256075, 12746318, 24512150, 31865795, 63731590, 159328975, 318657950]

約数ペア:

[(1, 318657950), (2, 159328975), (5, 63731590), (10, 31865795), (13, 24512150), (25, 12746318), (26, 12256075), (43, 7410650), (50, 6373159), (65, 4902430), (86, 3705325), (130, 2451215), (169, 1885550), (215, 1482130), (325, 980486), (338, 942775), (430, 741065), (559, 570050), (650, 490243), (845, 377110), (877, 363350), (1075, 296426), (1118, 285025), (1690, 188555), (1754, 181675), (2150, 148213), (2795, 114010), (4225, 75422), (4385, 72670), (5590, 57005), (7267, 43850), (8450, 37711), (8770, 36335), (11401, 27950), (13975, 22802), (14534, 21925)]