236477140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 532883232

約数和(自身を除く): 296406092

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 163, 170, 251, 289, 326, 340, 502, 578, 652, 815, 1004, 1156, 1255, 1445, 1630, 2510, 2771, 2890, 3260, 4267, 5020, 5542, 5780, 8534, 11084, 13855, 17068, 21335, 27710, 40913, 42670, 47107, 55420, 72539, 81826, 85340, 94214, 145078, 163652, 188428, 204565, 235535, 290156, 362695, 409130, 471070, 695521, 725390, 818260, 942140, 1391042, 1450780, 2782084, 3477605, 6955210, 11823857, 13910420, 23647714, 47295428, 59119285, 118238570, 236477140]

約数ペア:

[(1, 236477140), (2, 118238570), (4, 59119285), (5, 47295428), (10, 23647714), (17, 13910420), (20, 11823857), (34, 6955210), (68, 3477605), (85, 2782084), (163, 1450780), (170, 1391042), (251, 942140), (289, 818260), (326, 725390), (340, 695521), (502, 471070), (578, 409130), (652, 362695), (815, 290156), (1004, 235535), (1156, 204565), (1255, 188428), (1445, 163652), (1630, 145078), (2510, 94214), (2771, 85340), (2890, 81826), (3260, 72539), (4267, 55420), (5020, 47107), (5542, 42670), (5780, 40913), (8534, 27710), (11084, 21335), (13855, 17068)]