245093440

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^2\times {\mathrm{797}}^1$

素因数の和:876

約数の個数: 84

約数和(自身を含む): 603819468

約数和(自身を除く): 358726028

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 797, 961, 992, 1240, 1594, 1922, 1984, 2480, 3188, 3844, 3985, 4805, 4960, 6376, 7688, 7970, 9610, 9920, 12752, 15376, 15940, 19220, 24707, 25504, 30752, 31880, 38440, 49414, 51008, 61504, 63760, 76880, 98828, 123535, 127520, 153760, 197656, 247070, 255040, 307520, 395312, 494140, 765917, 790624, 988280, 1531834, 1581248, 1976560, 3063668, 3829585, 3953120, 6127336, 7659170, 7906240, 12254672, 15318340, 24509344, 30636680, 49018688, 61273360, 122546720, 245093440]

約数ペア:

[(1, 245093440), (2, 122546720), (4, 61273360), (5, 49018688), (8, 30636680), (10, 24509344), (16, 15318340), (20, 12254672), (31, 7906240), (32, 7659170), (40, 6127336), (62, 3953120), (64, 3829585), (80, 3063668), (124, 1976560), (155, 1581248), (160, 1531834), (248, 988280), (310, 790624), (320, 765917), (496, 494140), (620, 395312), (797, 307520), (961, 255040), (992, 247070), (1240, 197656), (1594, 153760), (1922, 127520), (1984, 123535), (2480, 98828), (3188, 76880), (3844, 63760), (3985, 61504), (4805, 51008), (4960, 49414), (6376, 38440), (7688, 31880), (7970, 30752), (9610, 25504), (9920, 24707), (12752, 19220), (15376, 15940)]