205919910

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17203}}^1$

素因数の和:17242

約数の個数: 96

約数和(自身を含む): 644117760

約数和(自身を除く): 438197850

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 57, 63, 70, 90, 95, 105, 114, 126, 133, 171, 190, 210, 266, 285, 315, 342, 399, 570, 630, 665, 798, 855, 1197, 1330, 1710, 1995, 2394, 3990, 5985, 11970, 17203, 34406, 51609, 86015, 103218, 120421, 154827, 172030, 240842, 258045, 309654, 326857, 361263, 516090, 602105, 653714, 722526, 774135, 980571, 1083789, 1204210, 1548270, 1634285, 1806315, 1961142, 2167578, 2287999, 2941713, 3268570, 3612630, 4575998, 4902855, 5418945, 5883426, 6863997, 9805710, 10837890, 11439995, 13727994, 14708565, 20591991, 22879990, 29417130, 34319985, 41183982, 68639970, 102959955, 205919910]

約数ペア:

[(1, 205919910), (2, 102959955), (3, 68639970), (5, 41183982), (6, 34319985), (7, 29417130), (9, 22879990), (10, 20591991), (14, 14708565), (15, 13727994), (18, 11439995), (19, 10837890), (21, 9805710), (30, 6863997), (35, 5883426), (38, 5418945), (42, 4902855), (45, 4575998), (57, 3612630), (63, 3268570), (70, 2941713), (90, 2287999), (95, 2167578), (105, 1961142), (114, 1806315), (126, 1634285), (133, 1548270), (171, 1204210), (190, 1083789), (210, 980571), (266, 774135), (285, 722526), (315, 653714), (342, 602105), (399, 516090), (570, 361263), (630, 326857), (665, 309654), (798, 258045), (855, 240842), (1197, 172030), (1330, 154827), (1710, 120421), (1995, 103218), (2394, 86015), (3990, 51609), (5985, 34406), (11970, 17203)]