538907720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:487

約数の個数: 128

約数和(自身を含む): 1365396480

約数和(自身を除く): 826488760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 101, 104, 124, 130, 155, 202, 248, 260, 310, 331, 403, 404, 505, 520, 620, 662, 806, 808, 1010, 1240, 1313, 1324, 1612, 1655, 2015, 2020, 2626, 2648, 3131, 3224, 3310, 4030, 4040, 4303, 5252, 6262, 6565, 6620, 8060, 8606, 10261, 10504, 12524, 13130, 13240, 15655, 16120, 17212, 20522, 21515, 25048, 26260, 31310, 33431, 34424, 40703, 41044, 43030, 51305, 52520, 62620, 66862, 81406, 82088, 86060, 102610, 125240, 133393, 133724, 162812, 167155, 172120, 203515, 205220, 266786, 267448, 325624, 334310, 407030, 410440, 434603, 533572, 666965, 668620, 814060, 869206, 1036361, 1067144, 1333930, 1337240, 1628120, 1738412, 2072722, 2173015, 2667860, 3476824, 4145444, 4346030, 5181805, 5335720, 8290888, 8692060, 10363610, 13472693, 17384120, 20727220, 26945386, 41454440, 53890772, 67363465, 107781544, 134726930, 269453860, 538907720]

約数ペア:

[(1, 538907720), (2, 269453860), (4, 134726930), (5, 107781544), (8, 67363465), (10, 53890772), (13, 41454440), (20, 26945386), (26, 20727220), (31, 17384120), (40, 13472693), (52, 10363610), (62, 8692060), (65, 8290888), (101, 5335720), (104, 5181805), (124, 4346030), (130, 4145444), (155, 3476824), (202, 2667860), (248, 2173015), (260, 2072722), (310, 1738412), (331, 1628120), (403, 1337240), (404, 1333930), (505, 1067144), (520, 1036361), (620, 869206), (662, 814060), (806, 668620), (808, 666965), (1010, 533572), (1240, 434603), (1313, 410440), (1324, 407030), (1612, 334310), (1655, 325624), (2015, 267448), (2020, 266786), (2626, 205220), (2648, 203515), (3131, 172120), (3224, 167155), (3310, 162812), (4030, 133724), (4040, 133393), (4303, 125240), (5252, 102610), (6262, 86060), (6565, 82088), (6620, 81406), (8060, 66862), (8606, 62620), (10261, 52520), (10504, 51305), (12524, 43030), (13130, 41044), (13240, 40703), (15655, 34424), (16120, 33431), (17212, 31310), (20522, 26260), (21515, 25048)]