390649480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{367}}^1$

素因数の和:503

約数の個数: 128

約数和(自身を含む): 1001548800

約数和(自身を除く): 610899320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 89, 92, 104, 115, 130, 178, 184, 230, 260, 299, 356, 367, 445, 460, 520, 598, 712, 734, 890, 920, 1157, 1196, 1468, 1495, 1780, 1835, 2047, 2314, 2392, 2936, 2990, 3560, 3670, 4094, 4628, 4771, 5785, 5980, 7340, 8188, 8441, 9256, 9542, 10235, 11570, 11960, 14680, 16376, 16882, 19084, 20470, 23140, 23855, 26611, 32663, 33764, 38168, 40940, 42205, 46280, 47710, 53222, 65326, 67528, 81880, 84410, 95420, 106444, 109733, 130652, 133055, 163315, 168820, 190840, 212888, 219466, 261304, 266110, 326630, 337640, 424619, 438932, 532220, 548665, 653260, 751249, 849238, 877864, 1064440, 1097330, 1306520, 1502498, 1698476, 2123095, 2194660, 3004996, 3396952, 3756245, 4246190, 4389320, 6009992, 7512490, 8492380, 9766237, 15024980, 16984760, 19532474, 30049960, 39064948, 48831185, 78129896, 97662370, 195324740, 390649480]

約数ペア:

[(1, 390649480), (2, 195324740), (4, 97662370), (5, 78129896), (8, 48831185), (10, 39064948), (13, 30049960), (20, 19532474), (23, 16984760), (26, 15024980), (40, 9766237), (46, 8492380), (52, 7512490), (65, 6009992), (89, 4389320), (92, 4246190), (104, 3756245), (115, 3396952), (130, 3004996), (178, 2194660), (184, 2123095), (230, 1698476), (260, 1502498), (299, 1306520), (356, 1097330), (367, 1064440), (445, 877864), (460, 849238), (520, 751249), (598, 653260), (712, 548665), (734, 532220), (890, 438932), (920, 424619), (1157, 337640), (1196, 326630), (1468, 266110), (1495, 261304), (1780, 219466), (1835, 212888), (2047, 190840), (2314, 168820), (2392, 163315), (2936, 133055), (2990, 130652), (3560, 109733), (3670, 106444), (4094, 95420), (4628, 84410), (4771, 81880), (5785, 67528), (5980, 65326), (7340, 53222), (8188, 47710), (8441, 46280), (9256, 42205), (9542, 40940), (10235, 38168), (11570, 33764), (11960, 32663), (14680, 26611), (16376, 23855), (16882, 23140), (19084, 20470)]