394712890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1091}}^1$

素因数の和:1156

約数の個数: 96

約数和(自身を含む): 878387328

約数和(自身を除く): 483674438

約数列:

[1, 2, 5, 10, 11, 13, 22, 23, 26, 46, 55, 65, 110, 115, 121, 130, 143, 230, 242, 253, 286, 299, 506, 598, 605, 715, 1091, 1210, 1265, 1430, 1495, 1573, 2182, 2530, 2783, 2990, 3146, 3289, 5455, 5566, 6578, 7865, 10910, 12001, 13915, 14183, 15730, 16445, 24002, 25093, 27830, 28366, 32890, 36179, 50186, 60005, 70915, 72358, 120010, 125465, 132011, 141830, 156013, 180895, 250930, 264022, 276023, 312026, 326209, 361790, 552046, 652418, 660055, 780065, 1320110, 1380115, 1560130, 1631045, 1716143, 2760230, 3036253, 3262090, 3432286, 3588299, 6072506, 7176598, 8580715, 15181265, 17161430, 17941495, 30362530, 35882990, 39471289, 78942578, 197356445, 394712890]

約数ペア:

[(1, 394712890), (2, 197356445), (5, 78942578), (10, 39471289), (11, 35882990), (13, 30362530), (22, 17941495), (23, 17161430), (26, 15181265), (46, 8580715), (55, 7176598), (65, 6072506), (110, 3588299), (115, 3432286), (121, 3262090), (130, 3036253), (143, 2760230), (230, 1716143), (242, 1631045), (253, 1560130), (286, 1380115), (299, 1320110), (506, 780065), (598, 660055), (605, 652418), (715, 552046), (1091, 361790), (1210, 326209), (1265, 312026), (1430, 276023), (1495, 264022), (1573, 250930), (2182, 180895), (2530, 156013), (2783, 141830), (2990, 132011), (3146, 125465), (3289, 120010), (5455, 72358), (5566, 70915), (6578, 60005), (7865, 50186), (10910, 36179), (12001, 32890), (13915, 28366), (14183, 27830), (15730, 25093), (16445, 24002)]