188454890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{463}}^1$

素因数の和:615

約数の個数: 64

約数和(自身を含む): 381652992

約数和(自身を除く): 193198102

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 101, 130, 155, 202, 310, 403, 463, 505, 806, 926, 1010, 1313, 2015, 2315, 2626, 3131, 4030, 4630, 6019, 6262, 6565, 12038, 13130, 14353, 15655, 28706, 30095, 31310, 40703, 46763, 60190, 71765, 81406, 93526, 143530, 186589, 203515, 233815, 373178, 407030, 467630, 607919, 932945, 1215838, 1449653, 1865890, 2899306, 3039595, 6079190, 7248265, 14496530, 18845489, 37690978, 94227445, 188454890]

約数ペア:

[(1, 188454890), (2, 94227445), (5, 37690978), (10, 18845489), (13, 14496530), (26, 7248265), (31, 6079190), (62, 3039595), (65, 2899306), (101, 1865890), (130, 1449653), (155, 1215838), (202, 932945), (310, 607919), (403, 467630), (463, 407030), (505, 373178), (806, 233815), (926, 203515), (1010, 186589), (1313, 143530), (2015, 93526), (2315, 81406), (2626, 71765), (3131, 60190), (4030, 46763), (4630, 40703), (6019, 31310), (6262, 30095), (6565, 28706), (12038, 15655), (13130, 14353)]