1900170870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:678

約数の個数: 128

約数和(自身を含む): 5022839808

約数和(自身を除く): 3122668938

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 71, 78, 130, 142, 163, 195, 213, 326, 355, 390, 421, 426, 489, 710, 815, 842, 923, 978, 1065, 1263, 1630, 1846, 2105, 2119, 2130, 2445, 2526, 2769, 4210, 4238, 4615, 4890, 5473, 5538, 6315, 6357, 9230, 10595, 10946, 11573, 12630, 12714, 13845, 16419, 21190, 23146, 27365, 27690, 29891, 31785, 32838, 34719, 54730, 57865, 59782, 63570, 68623, 69438, 82095, 89673, 115730, 137246, 149455, 150449, 164190, 173595, 179346, 205869, 298910, 300898, 343115, 347190, 388583, 411738, 448365, 451347, 686230, 752245, 777166, 892099, 896730, 902694, 1029345, 1165749, 1504490, 1784198, 1942915, 2058690, 2256735, 2331498, 2676297, 3885830, 4460495, 4513470, 4872233, 5352594, 5828745, 8920990, 9744466, 11657490, 13381485, 14616699, 24361165, 26762970, 29233398, 48722330, 63339029, 73083495, 126678058, 146166990, 190017087, 316695145, 380034174, 633390290, 950085435, 1900170870]

約数ペア:

[(1, 1900170870), (2, 950085435), (3, 633390290), (5, 380034174), (6, 316695145), (10, 190017087), (13, 146166990), (15, 126678058), (26, 73083495), (30, 63339029), (39, 48722330), (65, 29233398), (71, 26762970), (78, 24361165), (130, 14616699), (142, 13381485), (163, 11657490), (195, 9744466), (213, 8920990), (326, 5828745), (355, 5352594), (390, 4872233), (421, 4513470), (426, 4460495), (489, 3885830), (710, 2676297), (815, 2331498), (842, 2256735), (923, 2058690), (978, 1942915), (1065, 1784198), (1263, 1504490), (1630, 1165749), (1846, 1029345), (2105, 902694), (2119, 896730), (2130, 892099), (2445, 777166), (2526, 752245), (2769, 686230), (4210, 451347), (4238, 448365), (4615, 411738), (4890, 388583), (5473, 347190), (5538, 343115), (6315, 300898), (6357, 298910), (9230, 205869), (10595, 179346), (10946, 173595), (11573, 164190), (12630, 150449), (12714, 149455), (13845, 137246), (16419, 115730), (21190, 89673), (23146, 82095), (27365, 69438), (27690, 68623), (29891, 63570), (31785, 59782), (32838, 57865), (34719, 54730)]