247777110

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4229}}^1$

素因数の和:4283

約数の個数: 128

約数和(自身を含む): 779673600

約数和(自身を除く): 531896490

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 31, 35, 42, 45, 54, 62, 63, 70, 90, 93, 105, 126, 135, 155, 186, 189, 210, 217, 270, 279, 310, 315, 378, 434, 465, 558, 630, 651, 837, 930, 945, 1085, 1302, 1395, 1674, 1890, 1953, 2170, 2790, 3255, 3906, 4185, 4229, 5859, 6510, 8370, 8458, 9765, 11718, 12687, 19530, 21145, 25374, 29295, 29603, 38061, 42290, 58590, 59206, 63435, 76122, 88809, 114183, 126870, 131099, 148015, 177618, 190305, 228366, 262198, 266427, 296030, 380610, 393297, 444045, 532854, 570915, 655495, 786594, 799281, 888090, 917693, 1141830, 1179891, 1310990, 1332135, 1598562, 1835386, 1966485, 2359782, 2664270, 2753079, 3539673, 3932970, 3996405, 4588465, 5506158, 5899455, 7079346, 7992810, 8259237, 9176930, 11798910, 13765395, 16518474, 17698365, 24777711, 27530790, 35396730, 41296185, 49555422, 82592370, 123888555, 247777110]

約数ペア:

[(1, 247777110), (2, 123888555), (3, 82592370), (5, 49555422), (6, 41296185), (7, 35396730), (9, 27530790), (10, 24777711), (14, 17698365), (15, 16518474), (18, 13765395), (21, 11798910), (27, 9176930), (30, 8259237), (31, 7992810), (35, 7079346), (42, 5899455), (45, 5506158), (54, 4588465), (62, 3996405), (63, 3932970), (70, 3539673), (90, 2753079), (93, 2664270), (105, 2359782), (126, 1966485), (135, 1835386), (155, 1598562), (186, 1332135), (189, 1310990), (210, 1179891), (217, 1141830), (270, 917693), (279, 888090), (310, 799281), (315, 786594), (378, 655495), (434, 570915), (465, 532854), (558, 444045), (630, 393297), (651, 380610), (837, 296030), (930, 266427), (945, 262198), (1085, 228366), (1302, 190305), (1395, 177618), (1674, 148015), (1890, 131099), (1953, 126870), (2170, 114183), (2790, 88809), (3255, 76122), (3906, 63435), (4185, 59206), (4229, 58590), (5859, 42290), (6510, 38061), (8370, 29603), (8458, 29295), (9765, 25374), (11718, 21145), (12687, 19530)]