12117820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 31610880

約数和(自身を除く): 19493060

約数列:

[1, 2, 4, 5, 10, 11, 13, 19, 20, 22, 26, 38, 44, 52, 55, 65, 76, 95, 110, 130, 143, 190, 209, 220, 223, 247, 260, 286, 380, 418, 446, 494, 572, 715, 836, 892, 988, 1045, 1115, 1235, 1430, 2090, 2230, 2453, 2470, 2717, 2860, 2899, 4180, 4237, 4460, 4906, 4940, 5434, 5798, 8474, 9812, 10868, 11596, 12265, 13585, 14495, 16948, 21185, 24530, 27170, 28990, 31889, 42370, 46607, 49060, 54340, 55081, 57980, 63778, 84740, 93214, 110162, 127556, 159445, 186428, 220324, 233035, 275405, 318890, 466070, 550810, 605891, 637780, 932140, 1101620, 1211782, 2423564, 3029455, 6058910, 12117820]

約数ペア:

[(1, 12117820), (2, 6058910), (4, 3029455), (5, 2423564), (10, 1211782), (11, 1101620), (13, 932140), (19, 637780), (20, 605891), (22, 550810), (26, 466070), (38, 318890), (44, 275405), (52, 233035), (55, 220324), (65, 186428), (76, 159445), (95, 127556), (110, 110162), (130, 93214), (143, 84740), (190, 63778), (209, 57980), (220, 55081), (223, 54340), (247, 49060), (260, 46607), (286, 42370), (380, 31889), (418, 28990), (446, 27170), (494, 24530), (572, 21185), (715, 16948), (836, 14495), (892, 13585), (988, 12265), (1045, 11596), (1115, 10868), (1235, 9812), (1430, 8474), (2090, 5798), (2230, 5434), (2453, 4940), (2470, 4906), (2717, 4460), (2860, 4237), (2899, 4180)]