840894012

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{42239}}^1$

素因数の和:42335

約数の個数: 72

約数和(自身を含む): 2460057600

約数和(自身を除く): 1619163588

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 79, 84, 126, 158, 237, 252, 316, 474, 553, 711, 948, 1106, 1422, 1659, 2212, 2844, 3318, 4977, 6636, 9954, 19908, 42239, 84478, 126717, 168956, 253434, 295673, 380151, 506868, 591346, 760302, 887019, 1182692, 1520604, 1774038, 2661057, 3336881, 3548076, 5322114, 6673762, 10010643, 10644228, 13347524, 20021286, 23358167, 30031929, 40042572, 46716334, 60063858, 70074501, 93432668, 120127716, 140149002, 210223503, 280298004, 420447006, 840894012]

約数ペア:

[(1, 840894012), (2, 420447006), (3, 280298004), (4, 210223503), (6, 140149002), (7, 120127716), (9, 93432668), (12, 70074501), (14, 60063858), (18, 46716334), (21, 40042572), (28, 30031929), (36, 23358167), (42, 20021286), (63, 13347524), (79, 10644228), (84, 10010643), (126, 6673762), (158, 5322114), (237, 3548076), (252, 3336881), (316, 2661057), (474, 1774038), (553, 1520604), (711, 1182692), (948, 887019), (1106, 760302), (1422, 591346), (1659, 506868), (2212, 380151), (2844, 295673), (3318, 253434), (4977, 168956), (6636, 126717), (9954, 84478), (19908, 42239)]