421937560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1231}}^1$

素因数の和:1313

約数の個数: 128

約数和(自身を含む): 1117670400

約数和(自身を除く): 695732840

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 41, 44, 55, 76, 82, 88, 95, 110, 152, 164, 190, 205, 209, 220, 328, 380, 410, 418, 440, 451, 760, 779, 820, 836, 902, 1045, 1231, 1558, 1640, 1672, 1804, 2090, 2255, 2462, 3116, 3608, 3895, 4180, 4510, 4924, 6155, 6232, 7790, 8360, 8569, 9020, 9848, 12310, 13541, 15580, 17138, 18040, 23389, 24620, 27082, 31160, 34276, 42845, 46778, 49240, 50471, 54164, 67705, 68552, 85690, 93556, 100942, 108328, 116945, 135410, 171380, 187112, 201884, 233890, 252355, 257279, 270820, 342760, 403768, 467780, 504710, 514558, 541640, 555181, 935560, 958949, 1009420, 1029116, 1110362, 1286395, 1917898, 2018840, 2058232, 2220724, 2572790, 2775905, 3835796, 4441448, 4794745, 5145580, 5551810, 7671592, 9589490, 10291160, 10548439, 11103620, 19178980, 21096878, 22207240, 38357960, 42193756, 52742195, 84387512, 105484390, 210968780, 421937560]

約数ペア:

[(1, 421937560), (2, 210968780), (4, 105484390), (5, 84387512), (8, 52742195), (10, 42193756), (11, 38357960), (19, 22207240), (20, 21096878), (22, 19178980), (38, 11103620), (40, 10548439), (41, 10291160), (44, 9589490), (55, 7671592), (76, 5551810), (82, 5145580), (88, 4794745), (95, 4441448), (110, 3835796), (152, 2775905), (164, 2572790), (190, 2220724), (205, 2058232), (209, 2018840), (220, 1917898), (328, 1286395), (380, 1110362), (410, 1029116), (418, 1009420), (440, 958949), (451, 935560), (760, 555181), (779, 541640), (820, 514558), (836, 504710), (902, 467780), (1045, 403768), (1231, 342760), (1558, 270820), (1640, 257279), (1672, 252355), (1804, 233890), (2090, 201884), (2255, 187112), (2462, 171380), (3116, 135410), (3608, 116945), (3895, 108328), (4180, 100942), (4510, 93556), (4924, 85690), (6155, 68552), (6232, 67705), (7790, 54164), (8360, 50471), (8569, 49240), (9020, 46778), (9848, 42845), (12310, 34276), (13541, 31160), (15580, 27082), (17138, 24620), (18040, 23389)]