199982900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9049}}^1$

素因数の和:9093

約数の個数: 72

約数和(自身を含む): 494890200

約数和(自身を除く): 294907300

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 130, 170, 221, 260, 325, 340, 425, 442, 650, 850, 884, 1105, 1300, 1700, 2210, 4420, 5525, 9049, 11050, 18098, 22100, 36196, 45245, 90490, 117637, 153833, 180980, 226225, 235274, 307666, 452450, 470548, 588185, 615332, 769165, 904900, 1176370, 1538330, 1999829, 2352740, 2940925, 3076660, 3845825, 3999658, 5881850, 7691650, 7999316, 9999145, 11763700, 15383300, 19998290, 39996580, 49995725, 99991450, 199982900]

約数ペア:

[(1, 199982900), (2, 99991450), (4, 49995725), (5, 39996580), (10, 19998290), (13, 15383300), (17, 11763700), (20, 9999145), (25, 7999316), (26, 7691650), (34, 5881850), (50, 3999658), (52, 3845825), (65, 3076660), (68, 2940925), (85, 2352740), (100, 1999829), (130, 1538330), (170, 1176370), (221, 904900), (260, 769165), (325, 615332), (340, 588185), (425, 470548), (442, 452450), (650, 307666), (850, 235274), (884, 226225), (1105, 180980), (1300, 153833), (1700, 117637), (2210, 90490), (4420, 45245), (5525, 36196), (9049, 22100), (11050, 18098)]