18679600

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:143

約数の個数: 120

約数和(自身を含む): 49403088

約数和(自身を除く): 30723488

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 41, 50, 67, 68, 80, 82, 85, 100, 134, 136, 164, 170, 200, 205, 268, 272, 328, 335, 340, 400, 410, 425, 536, 656, 670, 680, 697, 820, 850, 1025, 1072, 1139, 1340, 1360, 1394, 1640, 1675, 1700, 2050, 2278, 2680, 2747, 2788, 3280, 3350, 3400, 3485, 4100, 4556, 5360, 5494, 5576, 5695, 6700, 6800, 6970, 8200, 9112, 10988, 11152, 11390, 13400, 13735, 13940, 16400, 17425, 18224, 21976, 22780, 26800, 27470, 27880, 28475, 34850, 43952, 45560, 46699, 54940, 55760, 56950, 68675, 69700, 91120, 93398, 109880, 113900, 137350, 139400, 186796, 219760, 227800, 233495, 274700, 278800, 373592, 455600, 466990, 549400, 747184, 933980, 1098800, 1167475, 1867960, 2334950, 3735920, 4669900, 9339800, 18679600]

約数ペア:

[(1, 18679600), (2, 9339800), (4, 4669900), (5, 3735920), (8, 2334950), (10, 1867960), (16, 1167475), (17, 1098800), (20, 933980), (25, 747184), (34, 549400), (40, 466990), (41, 455600), (50, 373592), (67, 278800), (68, 274700), (80, 233495), (82, 227800), (85, 219760), (100, 186796), (134, 139400), (136, 137350), (164, 113900), (170, 109880), (200, 93398), (205, 91120), (268, 69700), (272, 68675), (328, 56950), (335, 55760), (340, 54940), (400, 46699), (410, 45560), (425, 43952), (536, 34850), (656, 28475), (670, 27880), (680, 27470), (697, 26800), (820, 22780), (850, 21976), (1025, 18224), (1072, 17425), (1139, 16400), (1340, 13940), (1360, 13735), (1394, 13400), (1640, 11390), (1675, 11152), (1700, 10988), (2050, 9112), (2278, 8200), (2680, 6970), (2747, 6800), (2788, 6700), (3280, 5695), (3350, 5576), (3400, 5494), (3485, 5360), (4100, 4556)]