248014520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:369

約数の個数: 128

約数和(自身を含む): 636854400

約数和(自身を除く): 388839880

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, 233, 260, 299, 356, 445, 460, 466, 520, 598, 712, 890, 920, 932, 1157, 1165, 1196, 1495, 1780, 1864, 2047, 2314, 2330, 2392, 2990, 3029, 3560, 4094, 4628, 4660, 5359, 5785, 5980, 6058, 8188, 9256, 9320, 10235, 10718, 11570, 11960, 12116, 15145, 16376, 20470, 20737, 21436, 23140, 24232, 26611, 26795, 30290, 40940, 41474, 42872, 46280, 53222, 53590, 60580, 69667, 81880, 82948, 103685, 106444, 107180, 121160, 133055, 139334, 165896, 207370, 212888, 214360, 266110, 269581, 278668, 348335, 414740, 476951, 532220, 539162, 557336, 696670, 829480, 953902, 1064440, 1078324, 1347905, 1393340, 1907804, 2156648, 2384755, 2695810, 2786680, 3815608, 4769510, 5391620, 6200363, 9539020, 10783240, 12400726, 19078040, 24801452, 31001815, 49602904, 62003630, 124007260, 248014520]

約数ペア:

[(1, 248014520), (2, 124007260), (4, 62003630), (5, 49602904), (8, 31001815), (10, 24801452), (13, 19078040), (20, 12400726), (23, 10783240), (26, 9539020), (40, 6200363), (46, 5391620), (52, 4769510), (65, 3815608), (89, 2786680), (92, 2695810), (104, 2384755), (115, 2156648), (130, 1907804), (178, 1393340), (184, 1347905), (230, 1078324), (233, 1064440), (260, 953902), (299, 829480), (356, 696670), (445, 557336), (460, 539162), (466, 532220), (520, 476951), (598, 414740), (712, 348335), (890, 278668), (920, 269581), (932, 266110), (1157, 214360), (1165, 212888), (1196, 207370), (1495, 165896), (1780, 139334), (1864, 133055), (2047, 121160), (2314, 107180), (2330, 106444), (2392, 103685), (2990, 82948), (3029, 81880), (3560, 69667), (4094, 60580), (4628, 53590), (4660, 53222), (5359, 46280), (5785, 42872), (5980, 41474), (6058, 40940), (8188, 30290), (9256, 26795), (9320, 26611), (10235, 24232), (10718, 23140), (11570, 21436), (11960, 20737), (12116, 20470), (15145, 16376)]