2197440400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^2\times {\mathrm{19009}}^1$

素因数の和:19061

約数の個数: 90

約数和(自身を含む): 5608463270

約数和(自身を除く): 3411022870

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 289, 340, 400, 425, 578, 680, 850, 1156, 1360, 1445, 1700, 2312, 2890, 3400, 4624, 5780, 6800, 7225, 11560, 14450, 19009, 23120, 28900, 38018, 57800, 76036, 95045, 115600, 152072, 190090, 304144, 323153, 380180, 475225, 646306, 760360, 950450, 1292612, 1520720, 1615765, 1900900, 2585224, 3231530, 3801800, 5170448, 5493601, 6463060, 7603600, 8078825, 10987202, 12926120, 16157650, 21974404, 25852240, 27468005, 32315300, 43948808, 54936010, 64630600, 87897616, 109872020, 129261200, 137340025, 219744040, 274680050, 439488080, 549360100, 1098720200, 2197440400]

約数ペア:

[(1, 2197440400), (2, 1098720200), (4, 549360100), (5, 439488080), (8, 274680050), (10, 219744040), (16, 137340025), (17, 129261200), (20, 109872020), (25, 87897616), (34, 64630600), (40, 54936010), (50, 43948808), (68, 32315300), (80, 27468005), (85, 25852240), (100, 21974404), (136, 16157650), (170, 12926120), (200, 10987202), (272, 8078825), (289, 7603600), (340, 6463060), (400, 5493601), (425, 5170448), (578, 3801800), (680, 3231530), (850, 2585224), (1156, 1900900), (1360, 1615765), (1445, 1520720), (1700, 1292612), (2312, 950450), (2890, 760360), (3400, 646306), (4624, 475225), (5780, 380180), (6800, 323153), (7225, 304144), (11560, 190090), (14450, 152072), (19009, 115600), (23120, 95045), (28900, 76036), (38018, 57800)]