388890840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2801}}^1$

素因数の和:2917

約数の個数: 128

約数和(自身を含む): 1270987200

約数和(自身を除く): 882096360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 89, 104, 120, 130, 156, 178, 195, 260, 267, 312, 356, 390, 445, 520, 534, 712, 780, 890, 1068, 1157, 1335, 1560, 1780, 2136, 2314, 2670, 2801, 3471, 3560, 4628, 5340, 5602, 5785, 6942, 8403, 9256, 10680, 11204, 11570, 13884, 14005, 16806, 17355, 22408, 23140, 27768, 28010, 33612, 34710, 36413, 42015, 46280, 56020, 67224, 69420, 72826, 84030, 109239, 112040, 138840, 145652, 168060, 182065, 218478, 249289, 291304, 336120, 364130, 436956, 498578, 546195, 728260, 747867, 873912, 997156, 1092390, 1246445, 1456520, 1495734, 1994312, 2184780, 2492890, 2991468, 3240757, 3739335, 4369560, 4985780, 5982936, 6481514, 7478670, 9722271, 9971560, 12963028, 14957340, 16203785, 19444542, 25926056, 29914680, 32407570, 38889084, 48611355, 64815140, 77778168, 97222710, 129630280, 194445420, 388890840]

約数ペア:

[(1, 388890840), (2, 194445420), (3, 129630280), (4, 97222710), (5, 77778168), (6, 64815140), (8, 48611355), (10, 38889084), (12, 32407570), (13, 29914680), (15, 25926056), (20, 19444542), (24, 16203785), (26, 14957340), (30, 12963028), (39, 9971560), (40, 9722271), (52, 7478670), (60, 6481514), (65, 5982936), (78, 4985780), (89, 4369560), (104, 3739335), (120, 3240757), (130, 2991468), (156, 2492890), (178, 2184780), (195, 1994312), (260, 1495734), (267, 1456520), (312, 1246445), (356, 1092390), (390, 997156), (445, 873912), (520, 747867), (534, 728260), (712, 546195), (780, 498578), (890, 436956), (1068, 364130), (1157, 336120), (1335, 291304), (1560, 249289), (1780, 218478), (2136, 182065), (2314, 168060), (2670, 145652), (2801, 138840), (3471, 112040), (3560, 109239), (4628, 84030), (5340, 72826), (5602, 69420), (5785, 67224), (6942, 56020), (8403, 46280), (9256, 42015), (10680, 36413), (11204, 34710), (11570, 33612), (13884, 28010), (14005, 27768), (16806, 23140), (17355, 22408)]