397533420

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{521}}^1$

素因数の和:702

約数の個数: 144

約数和(自身を含む): 1260893088

約数和(自身を除く): 863359668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 157, 162, 180, 243, 270, 314, 324, 405, 471, 486, 521, 540, 628, 785, 810, 942, 972, 1042, 1215, 1413, 1563, 1570, 1620, 1884, 2084, 2355, 2430, 2605, 2826, 3126, 3140, 4239, 4689, 4710, 4860, 5210, 5652, 6252, 7065, 7815, 8478, 9378, 9420, 10420, 12717, 14067, 14130, 15630, 16956, 18756, 21195, 23445, 25434, 28134, 28260, 31260, 38151, 42201, 42390, 46890, 50868, 56268, 63585, 70335, 76302, 81797, 84402, 84780, 93780, 126603, 127170, 140670, 152604, 163594, 168804, 190755, 211005, 245391, 253206, 254340, 281340, 327188, 381510, 408985, 422010, 490782, 506412, 633015, 736173, 763020, 817970, 844020, 981564, 1226955, 1266030, 1472346, 1635940, 2208519, 2453910, 2532060, 2944692, 3680865, 4417038, 4907820, 6625557, 7361730, 8834076, 11042595, 13251114, 14723460, 19876671, 22085190, 26502228, 33127785, 39753342, 44170380, 66255570, 79506684, 99383355, 132511140, 198766710, 397533420]

約数ペア:

[(1, 397533420), (2, 198766710), (3, 132511140), (4, 99383355), (5, 79506684), (6, 66255570), (9, 44170380), (10, 39753342), (12, 33127785), (15, 26502228), (18, 22085190), (20, 19876671), (27, 14723460), (30, 13251114), (36, 11042595), (45, 8834076), (54, 7361730), (60, 6625557), (81, 4907820), (90, 4417038), (108, 3680865), (135, 2944692), (157, 2532060), (162, 2453910), (180, 2208519), (243, 1635940), (270, 1472346), (314, 1266030), (324, 1226955), (405, 981564), (471, 844020), (486, 817970), (521, 763020), (540, 736173), (628, 633015), (785, 506412), (810, 490782), (942, 422010), (972, 408985), (1042, 381510), (1215, 327188), (1413, 281340), (1563, 254340), (1570, 253206), (1620, 245391), (1884, 211005), (2084, 190755), (2355, 168804), (2430, 163594), (2605, 152604), (2826, 140670), (3126, 127170), (3140, 126603), (4239, 93780), (4689, 84780), (4710, 84402), (4860, 81797), (5210, 76302), (5652, 70335), (6252, 63585), (7065, 56268), (7815, 50868), (8478, 46890), (9378, 42390), (9420, 42201), (10420, 38151), (12717, 31260), (14067, 28260), (14130, 28134), (15630, 25434), (16956, 23445), (18756, 21195)]