147951580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{677}}^1$

素因数の和:923

約数の個数: 72

約数和(自身を含む): 363581568

約数和(自身を除く): 215629988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 223, 245, 446, 490, 677, 892, 980, 1115, 1354, 1561, 2230, 2708, 3122, 3385, 4460, 4739, 6244, 6770, 7805, 9478, 10927, 13540, 15610, 18956, 21854, 23695, 31220, 33173, 43708, 47390, 54635, 66346, 94780, 109270, 132692, 150971, 165865, 218540, 301942, 331730, 603884, 663460, 754855, 1056797, 1509710, 2113594, 3019420, 4227188, 5283985, 7397579, 10567970, 14795158, 21135940, 29590316, 36987895, 73975790, 147951580]

約数ペア:

[(1, 147951580), (2, 73975790), (4, 36987895), (5, 29590316), (7, 21135940), (10, 14795158), (14, 10567970), (20, 7397579), (28, 5283985), (35, 4227188), (49, 3019420), (70, 2113594), (98, 1509710), (140, 1056797), (196, 754855), (223, 663460), (245, 603884), (446, 331730), (490, 301942), (677, 218540), (892, 165865), (980, 150971), (1115, 132692), (1354, 109270), (1561, 94780), (2230, 66346), (2708, 54635), (3122, 47390), (3385, 43708), (4460, 33173), (4739, 31220), (6244, 23695), (6770, 21854), (7805, 18956), (9478, 15610), (10927, 13540)]