1218269990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{8221}}^1$

素因数の和:8337

約数の個数: 64

約数和(自身を含む): 2628408960

約数和(自身を除く): 1410138970

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 73, 145, 146, 203, 290, 365, 406, 511, 730, 1015, 1022, 2030, 2117, 2555, 4234, 5110, 8221, 10585, 14819, 16442, 21170, 29638, 41105, 57547, 74095, 82210, 115094, 148190, 238409, 287735, 476818, 575470, 600133, 1192045, 1200266, 1668863, 2384090, 3000665, 3337726, 4200931, 6001330, 8344315, 8401862, 16688630, 17403857, 21004655, 34807714, 42009310, 87019285, 121826999, 174038570, 243653998, 609134995, 1218269990]

約数ペア:

[(1, 1218269990), (2, 609134995), (5, 243653998), (7, 174038570), (10, 121826999), (14, 87019285), (29, 42009310), (35, 34807714), (58, 21004655), (70, 17403857), (73, 16688630), (145, 8401862), (146, 8344315), (203, 6001330), (290, 4200931), (365, 3337726), (406, 3000665), (511, 2384090), (730, 1668863), (1015, 1200266), (1022, 1192045), (2030, 600133), (2117, 575470), (2555, 476818), (4234, 287735), (5110, 238409), (8221, 148190), (10585, 115094), (14819, 82210), (16442, 74095), (21170, 57547), (29638, 41105)]