2783136340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{68449}}^1$

素因数の和:68584

約数の個数: 48

約数和(自身を含む): 6209784000

約数和(自身を除く): 3426647660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 107, 190, 214, 380, 428, 535, 1070, 2033, 2140, 4066, 8132, 10165, 20330, 40660, 68449, 136898, 273796, 342245, 684490, 1300531, 1368980, 2601062, 5202124, 6502655, 7324043, 13005310, 14648086, 26010620, 29296172, 36620215, 73240430, 139156817, 146480860, 278313634, 556627268, 695784085, 1391568170, 2783136340]

約数ペア:

[(1, 2783136340), (2, 1391568170), (4, 695784085), (5, 556627268), (10, 278313634), (19, 146480860), (20, 139156817), (38, 73240430), (76, 36620215), (95, 29296172), (107, 26010620), (190, 14648086), (214, 13005310), (380, 7324043), (428, 6502655), (535, 5202124), (1070, 2601062), (2033, 1368980), (2140, 1300531), (4066, 684490), (8132, 342245), (10165, 273796), (20330, 136898), (40660, 68449)]