858452870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{953}}^1$

素因数の和:1421

約数の個数: 64

約数和(自身を含む): 1780392960

約数和(自身を除く): 921940090

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 431, 862, 953, 1045, 1906, 2090, 2155, 4310, 4741, 4765, 8189, 9482, 9530, 10483, 16378, 18107, 20966, 23705, 36214, 40945, 47410, 52415, 81890, 90079, 90535, 104830, 180158, 181070, 199177, 398354, 410743, 450395, 821486, 900790, 995885, 1991770, 2053715, 4107430, 4518173, 7804117, 9036346, 15608234, 22590865, 39020585, 45181730, 78041170, 85845287, 171690574, 429226435, 858452870]

約数ペア:

[(1, 858452870), (2, 429226435), (5, 171690574), (10, 85845287), (11, 78041170), (19, 45181730), (22, 39020585), (38, 22590865), (55, 15608234), (95, 9036346), (110, 7804117), (190, 4518173), (209, 4107430), (418, 2053715), (431, 1991770), (862, 995885), (953, 900790), (1045, 821486), (1906, 450395), (2090, 410743), (2155, 398354), (4310, 199177), (4741, 181070), (4765, 180158), (8189, 104830), (9482, 90535), (9530, 90079), (10483, 81890), (16378, 52415), (18107, 47410), (20966, 40945), (23705, 36214)]