140389452

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{17971}}^1$

素因数の和:18019

約数の個数: 72

約数和(自身を含む): 418675712

約数和(自身を除く): 278286260

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 3906, 7812, 17971, 35942, 53913, 71884, 107826, 125797, 161739, 215652, 251594, 323478, 377391, 503188, 557101, 646956, 754782, 1114202, 1132173, 1509564, 1671303, 2228404, 2264346, 3342606, 3899707, 4528692, 5013909, 6685212, 7799414, 10027818, 11699121, 15598828, 20055636, 23398242, 35097363, 46796484, 70194726, 140389452]

約数ペア:

[(1, 140389452), (2, 70194726), (3, 46796484), (4, 35097363), (6, 23398242), (7, 20055636), (9, 15598828), (12, 11699121), (14, 10027818), (18, 7799414), (21, 6685212), (28, 5013909), (31, 4528692), (36, 3899707), (42, 3342606), (62, 2264346), (63, 2228404), (84, 1671303), (93, 1509564), (124, 1132173), (126, 1114202), (186, 754782), (217, 646956), (252, 557101), (279, 503188), (372, 377391), (434, 323478), (558, 251594), (651, 215652), (868, 161739), (1116, 125797), (1302, 107826), (1953, 71884), (2604, 53913), (3906, 35942), (7812, 17971)]