204189808

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{461}}^1$

素因数の和:566

約数の個数: 80

約数和(自身を含む): 439971840

約数和(自身を除く): 235782032

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 47, 62, 76, 94, 124, 152, 188, 248, 304, 376, 461, 496, 589, 752, 893, 922, 1178, 1457, 1786, 1844, 2356, 2914, 3572, 3688, 4712, 5828, 7144, 7376, 8759, 9424, 11656, 14288, 14291, 17518, 21667, 23312, 27683, 28582, 35036, 43334, 55366, 57164, 70072, 86668, 110732, 114328, 140144, 173336, 221464, 228656, 271529, 346672, 411673, 442928, 543058, 671677, 823346, 1086116, 1343354, 1646692, 2172232, 2686708, 3293384, 4344464, 5373416, 6586768, 10746832, 12761863, 25523726, 51047452, 102094904, 204189808]

約数ペア:

[(1, 204189808), (2, 102094904), (4, 51047452), (8, 25523726), (16, 12761863), (19, 10746832), (31, 6586768), (38, 5373416), (47, 4344464), (62, 3293384), (76, 2686708), (94, 2172232), (124, 1646692), (152, 1343354), (188, 1086116), (248, 823346), (304, 671677), (376, 543058), (461, 442928), (496, 411673), (589, 346672), (752, 271529), (893, 228656), (922, 221464), (1178, 173336), (1457, 140144), (1786, 114328), (1844, 110732), (2356, 86668), (2914, 70072), (3572, 57164), (3688, 55366), (4712, 43334), (5828, 35036), (7144, 28582), (7376, 27683), (8759, 23312), (9424, 21667), (11656, 17518), (14288, 14291)]