409539440

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1\times {\mathrm{233}}^1$

素因数の和:546

約数の個数: 80

約数和(自身を含む): 969366528

約数和(自身を除く): 559827088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 173, 233, 254, 346, 466, 508, 635, 692, 865, 932, 1016, 1165, 1270, 1384, 1730, 1864, 2032, 2330, 2540, 2768, 3460, 3728, 4660, 5080, 6920, 9320, 10160, 13840, 18640, 21971, 29591, 40309, 43942, 59182, 80618, 87884, 109855, 118364, 147955, 161236, 175768, 201545, 219710, 236728, 295910, 322472, 351536, 403090, 439420, 473456, 591820, 644944, 806180, 878840, 1183640, 1612360, 1757680, 2367280, 3224720, 5119243, 10238486, 20476972, 25596215, 40953944, 51192430, 81907888, 102384860, 204769720, 409539440]

約数ペア:

[(1, 409539440), (2, 204769720), (4, 102384860), (5, 81907888), (8, 51192430), (10, 40953944), (16, 25596215), (20, 20476972), (40, 10238486), (80, 5119243), (127, 3224720), (173, 2367280), (233, 1757680), (254, 1612360), (346, 1183640), (466, 878840), (508, 806180), (635, 644944), (692, 591820), (865, 473456), (932, 439420), (1016, 403090), (1165, 351536), (1270, 322472), (1384, 295910), (1730, 236728), (1864, 219710), (2032, 201545), (2330, 175768), (2540, 161236), (2768, 147955), (3460, 118364), (3728, 109855), (4660, 87884), (5080, 80618), (6920, 59182), (9320, 43942), (10160, 40309), (13840, 29591), (18640, 21971)]