451571380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:330

約数の個数: 96

約数和(自身を含む): 1055577600

約数和(自身を除く): 604006220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 169, 172, 215, 239, 260, 338, 430, 478, 559, 676, 845, 860, 956, 1118, 1195, 1690, 2197, 2236, 2390, 2795, 3107, 3380, 4394, 4780, 5590, 6214, 7267, 8788, 10277, 10985, 11180, 12428, 14534, 15535, 20554, 21970, 29068, 31070, 36335, 40391, 41108, 43940, 51385, 62140, 72670, 80782, 94471, 102770, 133601, 145340, 161564, 188942, 201955, 205540, 267202, 377884, 403910, 472355, 525083, 534404, 668005, 807820, 944710, 1050166, 1336010, 1736813, 1889420, 2100332, 2625415, 2672020, 3473626, 5250830, 6947252, 8684065, 10501660, 17368130, 22578569, 34736260, 45157138, 90314276, 112892845, 225785690, 451571380]

約数ペア:

[(1, 451571380), (2, 225785690), (4, 112892845), (5, 90314276), (10, 45157138), (13, 34736260), (20, 22578569), (26, 17368130), (43, 10501660), (52, 8684065), (65, 6947252), (86, 5250830), (130, 3473626), (169, 2672020), (172, 2625415), (215, 2100332), (239, 1889420), (260, 1736813), (338, 1336010), (430, 1050166), (478, 944710), (559, 807820), (676, 668005), (845, 534404), (860, 525083), (956, 472355), (1118, 403910), (1195, 377884), (1690, 267202), (2197, 205540), (2236, 201955), (2390, 188942), (2795, 161564), (3107, 145340), (3380, 133601), (4394, 102770), (4780, 94471), (5590, 80782), (6214, 72670), (7267, 62140), (8788, 51385), (10277, 43940), (10985, 41108), (11180, 40391), (12428, 36335), (14534, 31070), (15535, 29068), (20554, 21970)]