89110420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1151}}^1$

素因数の和:1253

約数の個数: 72

約数和(自身を含む): 220631040

約数和(自身を除く): 131520620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 196, 245, 316, 395, 490, 553, 790, 980, 1106, 1151, 1580, 2212, 2302, 2765, 3871, 4604, 5530, 5755, 7742, 8057, 11060, 11510, 15484, 16114, 19355, 23020, 32228, 38710, 40285, 56399, 77420, 80570, 90929, 112798, 161140, 181858, 225596, 281995, 363716, 454645, 563990, 636503, 909290, 1127980, 1273006, 1818580, 2546012, 3182515, 4455521, 6365030, 8911042, 12730060, 17822084, 22277605, 44555210, 89110420]

約数ペア:

[(1, 89110420), (2, 44555210), (4, 22277605), (5, 17822084), (7, 12730060), (10, 8911042), (14, 6365030), (20, 4455521), (28, 3182515), (35, 2546012), (49, 1818580), (70, 1273006), (79, 1127980), (98, 909290), (140, 636503), (158, 563990), (196, 454645), (245, 363716), (316, 281995), (395, 225596), (490, 181858), (553, 161140), (790, 112798), (980, 90929), (1106, 80570), (1151, 77420), (1580, 56399), (2212, 40285), (2302, 38710), (2765, 32228), (3871, 23020), (4604, 19355), (5530, 16114), (5755, 15484), (7742, 11510), (8057, 11060)]