980729320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{2243}}^1$

素因数の和:2914

約数の個数: 64

約数和(自身を含む): 2341120320

約数和(自身を除く): 1360391000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 643, 680, 1286, 2243, 2572, 3215, 4486, 5144, 6430, 8972, 10931, 11215, 12860, 17944, 21862, 22430, 25720, 38131, 43724, 44860, 54655, 76262, 87448, 89720, 109310, 152524, 190655, 218620, 305048, 381310, 437240, 762620, 1442249, 1525240, 2884498, 5768996, 7211245, 11537992, 14422490, 24518233, 28844980, 49036466, 57689960, 98072932, 122591165, 196145864, 245182330, 490364660, 980729320]

約数ペア:

[(1, 980729320), (2, 490364660), (4, 245182330), (5, 196145864), (8, 122591165), (10, 98072932), (17, 57689960), (20, 49036466), (34, 28844980), (40, 24518233), (68, 14422490), (85, 11537992), (136, 7211245), (170, 5768996), (340, 2884498), (643, 1525240), (680, 1442249), (1286, 762620), (2243, 437240), (2572, 381310), (3215, 305048), (4486, 218620), (5144, 190655), (6430, 152524), (8972, 109310), (10931, 89720), (11215, 87448), (12860, 76262), (17944, 54655), (21862, 44860), (22430, 43724), (25720, 38131)]