98621840

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:360

約数の個数: 80

約数和(自身を含む): 236234880

約数和(自身を除く): 137613040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 97, 142, 179, 194, 284, 355, 358, 388, 485, 568, 710, 716, 776, 895, 970, 1136, 1420, 1432, 1552, 1790, 1940, 2840, 2864, 3580, 3880, 5680, 6887, 7160, 7760, 12709, 13774, 14320, 17363, 25418, 27548, 34435, 34726, 50836, 55096, 63545, 68870, 69452, 86815, 101672, 110192, 127090, 137740, 138904, 173630, 203344, 254180, 275480, 277808, 347260, 508360, 550960, 694520, 1016720, 1232773, 1389040, 2465546, 4931092, 6163865, 9862184, 12327730, 19724368, 24655460, 49310920, 98621840]

約数ペア:

[(1, 98621840), (2, 49310920), (4, 24655460), (5, 19724368), (8, 12327730), (10, 9862184), (16, 6163865), (20, 4931092), (40, 2465546), (71, 1389040), (80, 1232773), (97, 1016720), (142, 694520), (179, 550960), (194, 508360), (284, 347260), (355, 277808), (358, 275480), (388, 254180), (485, 203344), (568, 173630), (710, 138904), (716, 137740), (776, 127090), (895, 110192), (970, 101672), (1136, 86815), (1420, 69452), (1432, 68870), (1552, 63545), (1790, 55096), (1940, 50836), (2840, 34726), (2864, 34435), (3580, 27548), (3880, 25418), (5680, 17363), (6887, 14320), (7160, 13774), (7760, 12709)]