917735780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{3673}}^1$

素因数の和:3757

約数の個数: 72

約数和(自身を含む): 2145189816

約数和(自身を除く): 1227454036

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 961, 1612, 1922, 2015, 3673, 3844, 4030, 4805, 7346, 8060, 9610, 12493, 14692, 18365, 19220, 24986, 36730, 47749, 49972, 62465, 73460, 95498, 113863, 124930, 190996, 227726, 238745, 249860, 455452, 477490, 569315, 954980, 1138630, 1480219, 2277260, 2960438, 3529753, 5920876, 7059506, 7401095, 14119012, 14802190, 17648765, 29604380, 35297530, 45886789, 70595060, 91773578, 183547156, 229433945, 458867890, 917735780]

約数ペア:

[(1, 917735780), (2, 458867890), (4, 229433945), (5, 183547156), (10, 91773578), (13, 70595060), (20, 45886789), (26, 35297530), (31, 29604380), (52, 17648765), (62, 14802190), (65, 14119012), (124, 7401095), (130, 7059506), (155, 5920876), (260, 3529753), (310, 2960438), (403, 2277260), (620, 1480219), (806, 1138630), (961, 954980), (1612, 569315), (1922, 477490), (2015, 455452), (3673, 249860), (3844, 238745), (4030, 227726), (4805, 190996), (7346, 124930), (8060, 113863), (9610, 95498), (12493, 73460), (14692, 62465), (18365, 49972), (19220, 47749), (24986, 36730)]