219319720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:467

約数の個数: 128

約数和(自身を含む): 561427200

約数和(自身を除く): 342107480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 37, 40, 46, 68, 74, 85, 92, 115, 136, 148, 170, 184, 185, 230, 296, 340, 370, 379, 391, 460, 629, 680, 740, 758, 782, 851, 920, 1258, 1480, 1516, 1564, 1702, 1895, 1955, 2516, 3032, 3128, 3145, 3404, 3790, 3910, 4255, 5032, 6290, 6443, 6808, 7580, 7820, 8510, 8717, 12580, 12886, 14023, 14467, 15160, 15640, 17020, 17434, 25160, 25772, 28046, 28934, 32215, 34040, 34868, 43585, 51544, 56092, 57868, 64430, 69736, 70115, 72335, 87170, 112184, 115736, 128860, 140230, 144670, 148189, 174340, 238391, 257720, 280460, 289340, 296378, 322529, 348680, 476782, 560920, 578680, 592756, 645058, 740945, 953564, 1185512, 1191955, 1290116, 1481890, 1612645, 1907128, 2383910, 2580232, 2963780, 3225290, 4767820, 5482993, 5927560, 6450580, 9535640, 10965986, 12901160, 21931972, 27414965, 43863944, 54829930, 109659860, 219319720]

約数ペア:

[(1, 219319720), (2, 109659860), (4, 54829930), (5, 43863944), (8, 27414965), (10, 21931972), (17, 12901160), (20, 10965986), (23, 9535640), (34, 6450580), (37, 5927560), (40, 5482993), (46, 4767820), (68, 3225290), (74, 2963780), (85, 2580232), (92, 2383910), (115, 1907128), (136, 1612645), (148, 1481890), (170, 1290116), (184, 1191955), (185, 1185512), (230, 953564), (296, 740945), (340, 645058), (370, 592756), (379, 578680), (391, 560920), (460, 476782), (629, 348680), (680, 322529), (740, 296378), (758, 289340), (782, 280460), (851, 257720), (920, 238391), (1258, 174340), (1480, 148189), (1516, 144670), (1564, 140230), (1702, 128860), (1895, 115736), (1955, 112184), (2516, 87170), (3032, 72335), (3128, 70115), (3145, 69736), (3404, 64430), (3790, 57868), (3910, 56092), (4255, 51544), (5032, 43585), (6290, 34868), (6443, 34040), (6808, 32215), (7580, 28934), (7820, 28046), (8510, 25772), (8717, 25160), (12580, 17434), (12886, 17020), (14023, 15640), (14467, 15160)]