38477740

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 96

約数和(自身を含む): 96768000

約数和(自身を除く): 58290260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 79, 98, 140, 142, 158, 196, 245, 284, 316, 343, 355, 395, 490, 497, 553, 686, 710, 790, 980, 994, 1106, 1372, 1420, 1580, 1715, 1988, 2212, 2485, 2765, 3430, 3479, 3871, 4970, 5530, 5609, 6860, 6958, 7742, 9940, 11060, 11218, 13916, 15484, 17395, 19355, 22436, 24353, 27097, 28045, 34790, 38710, 39263, 48706, 54194, 56090, 69580, 77420, 78526, 97412, 108388, 112180, 121765, 135485, 157052, 196315, 243530, 270970, 274841, 392630, 487060, 541940, 549682, 785260, 1099364, 1374205, 1923887, 2748410, 3847774, 5496820, 7695548, 9619435, 19238870, 38477740]

約数ペア:

[(1, 38477740), (2, 19238870), (4, 9619435), (5, 7695548), (7, 5496820), (10, 3847774), (14, 2748410), (20, 1923887), (28, 1374205), (35, 1099364), (49, 785260), (70, 549682), (71, 541940), (79, 487060), (98, 392630), (140, 274841), (142, 270970), (158, 243530), (196, 196315), (245, 157052), (284, 135485), (316, 121765), (343, 112180), (355, 108388), (395, 97412), (490, 78526), (497, 77420), (553, 69580), (686, 56090), (710, 54194), (790, 48706), (980, 39263), (994, 38710), (1106, 34790), (1372, 28045), (1420, 27097), (1580, 24353), (1715, 22436), (1988, 19355), (2212, 17395), (2485, 15484), (2765, 13916), (3430, 11218), (3479, 11060), (3871, 9940), (4970, 7742), (5530, 6958), (5609, 6860)]