1866280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:158

約数の個数: 64

約数和(自身を含む): 4692240

約数和(自身を除く): 2825960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 97, 104, 130, 148, 185, 194, 260, 296, 370, 388, 481, 485, 520, 740, 776, 962, 970, 1261, 1480, 1924, 1940, 2405, 2522, 3589, 3848, 3880, 4810, 5044, 6305, 7178, 9620, 10088, 12610, 14356, 17945, 19240, 25220, 28712, 35890, 46657, 50440, 71780, 93314, 143560, 186628, 233285, 373256, 466570, 933140, 1866280]

約数ペア:

[(1, 1866280), (2, 933140), (4, 466570), (5, 373256), (8, 233285), (10, 186628), (13, 143560), (20, 93314), (26, 71780), (37, 50440), (40, 46657), (52, 35890), (65, 28712), (74, 25220), (97, 19240), (104, 17945), (130, 14356), (148, 12610), (185, 10088), (194, 9620), (260, 7178), (296, 6305), (370, 5044), (388, 4810), (481, 3880), (485, 3848), (520, 3589), (740, 2522), (776, 2405), (962, 1940), (970, 1924), (1261, 1480)]