997349360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{787}}^1$

素因数の和:911

約数の個数: 160

約数和(自身を含む): 2776584192

約数和(自身を除く): 1779234832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 73, 80, 112, 124, 140, 146, 155, 217, 248, 280, 292, 310, 365, 434, 496, 511, 560, 584, 620, 730, 787, 868, 1022, 1085, 1168, 1240, 1460, 1574, 1736, 2044, 2170, 2263, 2480, 2555, 2920, 3148, 3472, 3935, 4088, 4340, 4526, 5110, 5509, 5840, 6296, 7870, 8176, 8680, 9052, 10220, 11018, 11315, 12592, 15740, 15841, 17360, 18104, 20440, 22036, 22630, 24397, 27545, 31480, 31682, 36208, 40880, 44072, 45260, 48794, 55090, 57451, 62960, 63364, 79205, 88144, 90520, 97588, 110180, 114902, 121985, 126728, 158410, 170779, 181040, 195176, 220360, 229804, 243970, 253456, 287255, 316820, 341558, 390352, 402157, 440720, 459608, 487940, 574510, 633640, 683116, 804314, 853895, 919216, 975880, 1149020, 1267280, 1366232, 1608628, 1707790, 1780981, 1951760, 2010785, 2298040, 2732464, 3217256, 3415580, 3561962, 4021570, 4596080, 6434512, 6831160, 7123924, 8043140, 8904905, 12466867, 13662320, 14247848, 16086280, 17809810, 24933734, 28495696, 32172560, 35619620, 49867468, 62334335, 71239240, 99734936, 124668670, 142478480, 199469872, 249337340, 498674680, 997349360]

約数ペア:

[(1, 997349360), (2, 498674680), (4, 249337340), (5, 199469872), (7, 142478480), (8, 124668670), (10, 99734936), (14, 71239240), (16, 62334335), (20, 49867468), (28, 35619620), (31, 32172560), (35, 28495696), (40, 24933734), (56, 17809810), (62, 16086280), (70, 14247848), (73, 13662320), (80, 12466867), (112, 8904905), (124, 8043140), (140, 7123924), (146, 6831160), (155, 6434512), (217, 4596080), (248, 4021570), (280, 3561962), (292, 3415580), (310, 3217256), (365, 2732464), (434, 2298040), (496, 2010785), (511, 1951760), (560, 1780981), (584, 1707790), (620, 1608628), (730, 1366232), (787, 1267280), (868, 1149020), (1022, 975880), (1085, 919216), (1168, 853895), (1240, 804314), (1460, 683116), (1574, 633640), (1736, 574510), (2044, 487940), (2170, 459608), (2263, 440720), (2480, 402157), (2555, 390352), (2920, 341558), (3148, 316820), (3472, 287255), (3935, 253456), (4088, 243970), (4340, 229804), (4526, 220360), (5110, 195176), (5509, 181040), (5840, 170779), (6296, 158410), (7870, 126728), (8176, 121985), (8680, 114902), (9052, 110180), (10220, 97588), (11018, 90520), (11315, 88144), (12592, 79205), (15740, 63364), (15841, 62960), (17360, 57451), (18104, 55090), (20440, 48794), (22036, 45260), (22630, 44072), (24397, 40880), (27545, 36208), (31480, 31682)]