858772020100

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{2741}}^1\times {\mathrm{39659}}^1$

素因数の和:42493

約数の個数: 72

約数和(自身を含む): 1887860419200

約数和(自身を除く): 1029088399100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 2741, 3950, 5482, 7900, 10964, 13705, 27410, 39659, 54820, 68525, 79318, 137050, 158636, 198295, 216539, 274100, 396590, 433078, 793180, 866156, 991475, 1082695, 1982950, 2165390, 3133061, 3965900, 4330780, 5413475, 6266122, 10826950, 12532244, 15665305, 21653900, 31330610, 62661220, 78326525, 108705319, 156653050, 217410638, 313306100, 434821276, 543526595, 1087053190, 2174106380, 2717632975, 5435265950, 8587720201, 10870531900, 17175440402, 34350880804, 42938601005, 85877202010, 171754404020, 214693005025, 429386010050, 858772020100]

約数ペア:

[(1, 858772020100), (2, 429386010050), (4, 214693005025), (5, 171754404020), (10, 85877202010), (20, 42938601005), (25, 34350880804), (50, 17175440402), (79, 10870531900), (100, 8587720201), (158, 5435265950), (316, 2717632975), (395, 2174106380), (790, 1087053190), (1580, 543526595), (1975, 434821276), (2741, 313306100), (3950, 217410638), (5482, 156653050), (7900, 108705319), (10964, 78326525), (13705, 62661220), (27410, 31330610), (39659, 21653900), (54820, 15665305), (68525, 12532244), (79318, 10826950), (137050, 6266122), (158636, 5413475), (198295, 4330780), (216539, 3965900), (274100, 3133061), (396590, 2165390), (433078, 1982950), (793180, 1082695), (866156, 991475)]