9901140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{571}}^1$

素因数の和:617

約数の個数: 72

約数和(自身を含む): 29501472

約数和(自身を除く): 19600332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 289, 340, 510, 571, 578, 867, 1020, 1142, 1156, 1445, 1713, 1734, 2284, 2855, 2890, 3426, 3468, 4335, 5710, 5780, 6852, 8565, 8670, 9707, 11420, 17130, 17340, 19414, 29121, 34260, 38828, 48535, 58242, 97070, 116484, 145605, 165019, 194140, 291210, 330038, 495057, 582420, 660076, 825095, 990114, 1650190, 1980228, 2475285, 3300380, 4950570, 9901140]

約数ペア:

[(1, 9901140), (2, 4950570), (3, 3300380), (4, 2475285), (5, 1980228), (6, 1650190), (10, 990114), (12, 825095), (15, 660076), (17, 582420), (20, 495057), (30, 330038), (34, 291210), (51, 194140), (60, 165019), (68, 145605), (85, 116484), (102, 97070), (170, 58242), (204, 48535), (255, 38828), (289, 34260), (340, 29121), (510, 19414), (571, 17340), (578, 17130), (867, 11420), (1020, 9707), (1142, 8670), (1156, 8565), (1445, 6852), (1713, 5780), (1734, 5710), (2284, 4335), (2855, 3468), (2890, 3426)]