257445210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{317}}^1$

素因数の和:468

約数の個数: 128

約数和(自身を含む): 712157184

約数和(自身を除く): 454711974

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 33, 46, 55, 66, 69, 107, 110, 115, 138, 165, 214, 230, 253, 317, 321, 330, 345, 506, 535, 634, 642, 690, 759, 951, 1070, 1177, 1265, 1518, 1585, 1605, 1902, 2354, 2461, 2530, 3170, 3210, 3487, 3531, 3795, 4755, 4922, 5885, 6974, 7062, 7291, 7383, 7590, 9510, 10461, 11770, 12305, 14582, 14766, 17435, 17655, 20922, 21873, 24610, 27071, 33919, 34870, 35310, 36455, 36915, 43746, 52305, 54142, 67838, 72910, 73830, 80201, 81213, 101757, 104610, 109365, 135355, 160402, 162426, 169595, 203514, 218730, 240603, 270710, 339190, 373109, 401005, 406065, 481206, 508785, 746218, 780137, 802010, 812130, 1017570, 1119327, 1203015, 1560274, 1865545, 2238654, 2340411, 2406030, 3731090, 3900685, 4680822, 5596635, 7801370, 8581507, 11193270, 11702055, 17163014, 23404110, 25744521, 42907535, 51489042, 85815070, 128722605, 257445210]

約数ペア:

[(1, 257445210), (2, 128722605), (3, 85815070), (5, 51489042), (6, 42907535), (10, 25744521), (11, 23404110), (15, 17163014), (22, 11702055), (23, 11193270), (30, 8581507), (33, 7801370), (46, 5596635), (55, 4680822), (66, 3900685), (69, 3731090), (107, 2406030), (110, 2340411), (115, 2238654), (138, 1865545), (165, 1560274), (214, 1203015), (230, 1119327), (253, 1017570), (317, 812130), (321, 802010), (330, 780137), (345, 746218), (506, 508785), (535, 481206), (634, 406065), (642, 401005), (690, 373109), (759, 339190), (951, 270710), (1070, 240603), (1177, 218730), (1265, 203514), (1518, 169595), (1585, 162426), (1605, 160402), (1902, 135355), (2354, 109365), (2461, 104610), (2530, 101757), (3170, 81213), (3210, 80201), (3487, 73830), (3531, 72910), (3795, 67838), (4755, 54142), (4922, 52305), (5885, 43746), (6974, 36915), (7062, 36455), (7291, 35310), (7383, 34870), (7590, 33919), (9510, 27071), (10461, 24610), (11770, 21873), (12305, 20922), (14582, 17655), (14766, 17435)]