304858840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{239}}^1$

素因数の和:497

約数の個数: 128

約数和(自身を含む): 812851200

約数和(自身を除く): 507992360

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 223, 239, 260, 286, 440, 446, 478, 520, 572, 715, 892, 956, 1115, 1144, 1195, 1430, 1784, 1912, 2230, 2390, 2453, 2629, 2860, 2899, 3107, 4460, 4780, 4906, 5258, 5720, 5798, 6214, 8920, 9560, 9812, 10516, 11596, 12265, 12428, 13145, 14495, 15535, 19624, 21032, 23192, 24530, 24856, 26290, 28990, 31070, 31889, 34177, 49060, 52580, 53297, 57980, 62140, 63778, 68354, 98120, 105160, 106594, 115960, 124280, 127556, 136708, 159445, 170885, 213188, 255112, 266485, 273416, 318890, 341770, 426376, 532970, 586267, 637780, 683540, 692861, 1065940, 1172534, 1275560, 1367080, 1385722, 2131880, 2345068, 2771444, 2931335, 3464305, 4690136, 5542888, 5862670, 6928610, 7621471, 11725340, 13857220, 15242942, 23450680, 27714440, 30485884, 38107355, 60971768, 76214710, 152429420, 304858840]

約数ペア:

[(1, 304858840), (2, 152429420), (4, 76214710), (5, 60971768), (8, 38107355), (10, 30485884), (11, 27714440), (13, 23450680), (20, 15242942), (22, 13857220), (26, 11725340), (40, 7621471), (44, 6928610), (52, 5862670), (55, 5542888), (65, 4690136), (88, 3464305), (104, 2931335), (110, 2771444), (130, 2345068), (143, 2131880), (220, 1385722), (223, 1367080), (239, 1275560), (260, 1172534), (286, 1065940), (440, 692861), (446, 683540), (478, 637780), (520, 586267), (572, 532970), (715, 426376), (892, 341770), (956, 318890), (1115, 273416), (1144, 266485), (1195, 255112), (1430, 213188), (1784, 170885), (1912, 159445), (2230, 136708), (2390, 127556), (2453, 124280), (2629, 115960), (2860, 106594), (2899, 105160), (3107, 98120), (4460, 68354), (4780, 63778), (4906, 62140), (5258, 57980), (5720, 53297), (5798, 52580), (6214, 49060), (8920, 34177), (9560, 31889), (9812, 31070), (10516, 28990), (11596, 26290), (12265, 24856), (12428, 24530), (13145, 23192), (14495, 21032), (15535, 19624)]