1657377940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1$

素因数の和:577

約数の個数: 96

約数和(自身を含む): 3755372544

約数和(自身を除く): 2097994604

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 127, 131, 170, 254, 262, 293, 340, 508, 524, 586, 635, 655, 1172, 1270, 1310, 1465, 2159, 2227, 2540, 2620, 2930, 4318, 4454, 4981, 5860, 8636, 8908, 9962, 10795, 11135, 16637, 19924, 21590, 22270, 24905, 33274, 37211, 38383, 43180, 44540, 49810, 66548, 74422, 76766, 83185, 99620, 148844, 153532, 166370, 186055, 191915, 282829, 332740, 372110, 383830, 565658, 632587, 652511, 744220, 767660, 1131316, 1265174, 1305022, 1414145, 2530348, 2610044, 2828290, 3162935, 3262555, 4874641, 5656580, 6325870, 6525110, 9749282, 12651740, 13050220, 19498564, 24373205, 48746410, 82868897, 97492820, 165737794, 331475588, 414344485, 828688970, 1657377940]

約数ペア:

[(1, 1657377940), (2, 828688970), (4, 414344485), (5, 331475588), (10, 165737794), (17, 97492820), (20, 82868897), (34, 48746410), (68, 24373205), (85, 19498564), (127, 13050220), (131, 12651740), (170, 9749282), (254, 6525110), (262, 6325870), (293, 5656580), (340, 4874641), (508, 3262555), (524, 3162935), (586, 2828290), (635, 2610044), (655, 2530348), (1172, 1414145), (1270, 1305022), (1310, 1265174), (1465, 1131316), (2159, 767660), (2227, 744220), (2540, 652511), (2620, 632587), (2930, 565658), (4318, 383830), (4454, 372110), (4981, 332740), (5860, 282829), (8636, 191915), (8908, 186055), (9962, 166370), (10795, 153532), (11135, 148844), (16637, 99620), (19924, 83185), (21590, 76766), (22270, 74422), (24905, 66548), (33274, 49810), (37211, 44540), (38383, 43180)]