431396080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:491

約数の個数: 120

約数和(自身を含む): 1090876608

約数和(自身を除く): 659480528

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 94, 136, 170, 188, 235, 272, 289, 340, 376, 397, 470, 578, 680, 752, 794, 799, 940, 1156, 1360, 1445, 1588, 1598, 1880, 1985, 2312, 2890, 3176, 3196, 3760, 3970, 3995, 4624, 5780, 6352, 6392, 6749, 7940, 7990, 11560, 12784, 13498, 13583, 15880, 15980, 18659, 23120, 26996, 27166, 31760, 31960, 33745, 37318, 53992, 54332, 63920, 67490, 67915, 74636, 93295, 107984, 108664, 114733, 134980, 135830, 149272, 186590, 217328, 229466, 269960, 271660, 298544, 317203, 373180, 458932, 539920, 543320, 573665, 634406, 746360, 917864, 1086640, 1147330, 1268812, 1492720, 1586015, 1835728, 2294660, 2537624, 3172030, 4589320, 5075248, 5392451, 6344060, 9178640, 10784902, 12688120, 21569804, 25376240, 26962255, 43139608, 53924510, 86279216, 107849020, 215698040, 431396080]

約数ペア:

[(1, 431396080), (2, 215698040), (4, 107849020), (5, 86279216), (8, 53924510), (10, 43139608), (16, 26962255), (17, 25376240), (20, 21569804), (34, 12688120), (40, 10784902), (47, 9178640), (68, 6344060), (80, 5392451), (85, 5075248), (94, 4589320), (136, 3172030), (170, 2537624), (188, 2294660), (235, 1835728), (272, 1586015), (289, 1492720), (340, 1268812), (376, 1147330), (397, 1086640), (470, 917864), (578, 746360), (680, 634406), (752, 573665), (794, 543320), (799, 539920), (940, 458932), (1156, 373180), (1360, 317203), (1445, 298544), (1588, 271660), (1598, 269960), (1880, 229466), (1985, 217328), (2312, 186590), (2890, 149272), (3176, 135830), (3196, 134980), (3760, 114733), (3970, 108664), (3995, 107984), (4624, 93295), (5780, 74636), (6352, 67915), (6392, 67490), (6749, 63920), (7940, 54332), (7990, 53992), (11560, 37318), (12784, 33745), (13498, 31960), (13583, 31760), (15880, 27166), (15980, 26996), (18659, 23120)]