257785770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:388

約数の個数: 128

約数和(自身を含む): 706019328

約数和(自身を除く): 448233558

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 31, 33, 55, 62, 66, 93, 110, 113, 155, 165, 186, 223, 226, 310, 330, 339, 341, 446, 465, 565, 669, 678, 682, 930, 1023, 1115, 1130, 1243, 1338, 1695, 1705, 2046, 2230, 2453, 2486, 3345, 3390, 3410, 3503, 3729, 4906, 5115, 6215, 6690, 6913, 7006, 7359, 7458, 10230, 10509, 12265, 12430, 13826, 14718, 17515, 18645, 20739, 21018, 24530, 25199, 34565, 35030, 36795, 37290, 38533, 41478, 50398, 52545, 69130, 73590, 75597, 76043, 77066, 103695, 105090, 115599, 125995, 151194, 152086, 192665, 207390, 228129, 231198, 251990, 277189, 377985, 380215, 385330, 456258, 554378, 577995, 755970, 760430, 781169, 831567, 1140645, 1155990, 1385945, 1562338, 1663134, 2281290, 2343507, 2771890, 3905845, 4157835, 4687014, 7811690, 8315670, 8592859, 11717535, 17185718, 23435070, 25778577, 42964295, 51557154, 85928590, 128892885, 257785770]

約数ペア:

[(1, 257785770), (2, 128892885), (3, 85928590), (5, 51557154), (6, 42964295), (10, 25778577), (11, 23435070), (15, 17185718), (22, 11717535), (30, 8592859), (31, 8315670), (33, 7811690), (55, 4687014), (62, 4157835), (66, 3905845), (93, 2771890), (110, 2343507), (113, 2281290), (155, 1663134), (165, 1562338), (186, 1385945), (223, 1155990), (226, 1140645), (310, 831567), (330, 781169), (339, 760430), (341, 755970), (446, 577995), (465, 554378), (565, 456258), (669, 385330), (678, 380215), (682, 377985), (930, 277189), (1023, 251990), (1115, 231198), (1130, 228129), (1243, 207390), (1338, 192665), (1695, 152086), (1705, 151194), (2046, 125995), (2230, 115599), (2453, 105090), (2486, 103695), (3345, 77066), (3390, 76043), (3410, 75597), (3503, 73590), (3729, 69130), (4906, 52545), (5115, 50398), (6215, 41478), (6690, 38533), (6913, 37290), (7006, 36795), (7359, 35030), (7458, 34565), (10230, 25199), (10509, 24530), (12265, 21018), (12430, 20739), (13826, 18645), (14718, 17515)]