128362780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{70529}}^1$

素因数の和:70558

約数の個数: 48

約数和(自身を含む): 331773120

約数和(自身を除く): 203410340

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 70529, 141058, 282116, 352645, 493703, 705290, 916877, 987406, 1410580, 1833754, 1974812, 2468515, 3667508, 4584385, 4937030, 6418139, 9168770, 9874060, 12836278, 18337540, 25672556, 32090695, 64181390, 128362780]

約数ペア:

[(1, 128362780), (2, 64181390), (4, 32090695), (5, 25672556), (7, 18337540), (10, 12836278), (13, 9874060), (14, 9168770), (20, 6418139), (26, 4937030), (28, 4584385), (35, 3667508), (52, 2468515), (65, 1974812), (70, 1833754), (91, 1410580), (130, 987406), (140, 916877), (182, 705290), (260, 493703), (364, 352645), (455, 282116), (910, 141058), (1820, 70529)]