388655220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1\times {\mathrm{487}}^1$

素因数の和:829

約数の個数: 96

約数和(自身を含む): 1117605888

約数和(自身を除く): 728950668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 283, 470, 487, 564, 566, 705, 849, 940, 974, 1132, 1410, 1415, 1461, 1698, 1948, 2435, 2820, 2830, 2922, 3396, 4245, 4870, 5660, 5844, 7305, 8490, 9740, 13301, 14610, 16980, 22889, 26602, 29220, 39903, 45778, 53204, 66505, 68667, 79806, 91556, 114445, 133010, 137334, 137821, 159612, 199515, 228890, 266020, 274668, 275642, 343335, 399030, 413463, 457780, 551284, 686670, 689105, 798060, 826926, 1373340, 1378210, 1653852, 2067315, 2756420, 4134630, 6477587, 8269260, 12955174, 19432761, 25910348, 32387935, 38865522, 64775870, 77731044, 97163805, 129551740, 194327610, 388655220]

約数ペア:

[(1, 388655220), (2, 194327610), (3, 129551740), (4, 97163805), (5, 77731044), (6, 64775870), (10, 38865522), (12, 32387935), (15, 25910348), (20, 19432761), (30, 12955174), (47, 8269260), (60, 6477587), (94, 4134630), (141, 2756420), (188, 2067315), (235, 1653852), (282, 1378210), (283, 1373340), (470, 826926), (487, 798060), (564, 689105), (566, 686670), (705, 551284), (849, 457780), (940, 413463), (974, 399030), (1132, 343335), (1410, 275642), (1415, 274668), (1461, 266020), (1698, 228890), (1948, 199515), (2435, 159612), (2820, 137821), (2830, 137334), (2922, 133010), (3396, 114445), (4245, 91556), (4870, 79806), (5660, 68667), (5844, 66505), (7305, 53204), (8490, 45778), (9740, 39903), (13301, 29220), (14610, 26602), (16980, 22889)]