2499640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:77

約数の個数: 128

約数和(自身を含む): 7257600

約数和(自身を除く): 4757960

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 19, 20, 22, 23, 26, 38, 40, 44, 46, 52, 55, 65, 76, 88, 92, 95, 104, 110, 115, 130, 143, 152, 184, 190, 209, 220, 230, 247, 253, 260, 286, 299, 380, 418, 437, 440, 460, 494, 506, 520, 572, 598, 715, 760, 836, 874, 920, 988, 1012, 1045, 1144, 1196, 1235, 1265, 1430, 1495, 1672, 1748, 1976, 2024, 2090, 2185, 2392, 2470, 2530, 2717, 2860, 2990, 3289, 3496, 4180, 4370, 4807, 4940, 5060, 5434, 5681, 5720, 5980, 6578, 8360, 8740, 9614, 9880, 10120, 10868, 11362, 11960, 13156, 13585, 16445, 17480, 19228, 21736, 22724, 24035, 26312, 27170, 28405, 32890, 38456, 45448, 48070, 54340, 56810, 62491, 65780, 96140, 108680, 113620, 124982, 131560, 192280, 227240, 249964, 312455, 499928, 624910, 1249820, 2499640]

約数ペア:

[(1, 2499640), (2, 1249820), (4, 624910), (5, 499928), (8, 312455), (10, 249964), (11, 227240), (13, 192280), (19, 131560), (20, 124982), (22, 113620), (23, 108680), (26, 96140), (38, 65780), (40, 62491), (44, 56810), (46, 54340), (52, 48070), (55, 45448), (65, 38456), (76, 32890), (88, 28405), (92, 27170), (95, 26312), (104, 24035), (110, 22724), (115, 21736), (130, 19228), (143, 17480), (152, 16445), (184, 13585), (190, 13156), (209, 11960), (220, 11362), (230, 10868), (247, 10120), (253, 9880), (260, 9614), (286, 8740), (299, 8360), (380, 6578), (418, 5980), (437, 5720), (440, 5681), (460, 5434), (494, 5060), (506, 4940), (520, 4807), (572, 4370), (598, 4180), (715, 3496), (760, 3289), (836, 2990), (874, 2860), (920, 2717), (988, 2530), (1012, 2470), (1045, 2392), (1144, 2185), (1196, 2090), (1235, 2024), (1265, 1976), (1430, 1748), (1495, 1672)]