156940190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1231}}^1$

素因数の和:1329

約数の個数: 64

約数和(自身を含む): 329978880

約数和(自身を除く): 173038690

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 61, 95, 110, 122, 190, 209, 305, 418, 610, 671, 1045, 1159, 1231, 1342, 2090, 2318, 2462, 3355, 5795, 6155, 6710, 11590, 12310, 12749, 13541, 23389, 25498, 27082, 46778, 63745, 67705, 75091, 116945, 127490, 135410, 150182, 233890, 257279, 375455, 514558, 750910, 826001, 1286395, 1426729, 1652002, 2572790, 2853458, 4130005, 7133645, 8260010, 14267290, 15694019, 31388038, 78470095, 156940190]

約数ペア:

[(1, 156940190), (2, 78470095), (5, 31388038), (10, 15694019), (11, 14267290), (19, 8260010), (22, 7133645), (38, 4130005), (55, 2853458), (61, 2572790), (95, 1652002), (110, 1426729), (122, 1286395), (190, 826001), (209, 750910), (305, 514558), (418, 375455), (610, 257279), (671, 233890), (1045, 150182), (1159, 135410), (1231, 127490), (1342, 116945), (2090, 75091), (2318, 67705), (2462, 63745), (3355, 46778), (5795, 27082), (6155, 25498), (6710, 23389), (11590, 13541), (12310, 12749)]