28143640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:281

約数の個数: 96

約数和(自身を含む): 74980080

約数和(自身を除く): 46836440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 83, 98, 140, 166, 173, 196, 245, 280, 332, 346, 392, 415, 490, 581, 664, 692, 830, 865, 980, 1162, 1211, 1384, 1660, 1730, 1960, 2324, 2422, 2905, 3320, 3460, 4067, 4648, 4844, 5810, 6055, 6920, 8134, 8477, 9688, 11620, 12110, 14359, 16268, 16954, 20335, 23240, 24220, 28718, 32536, 33908, 40670, 42385, 48440, 57436, 67816, 71795, 81340, 84770, 100513, 114872, 143590, 162680, 169540, 201026, 287180, 339080, 402052, 502565, 574360, 703591, 804104, 1005130, 1407182, 2010260, 2814364, 3517955, 4020520, 5628728, 7035910, 14071820, 28143640]

約数ペア:

[(1, 28143640), (2, 14071820), (4, 7035910), (5, 5628728), (7, 4020520), (8, 3517955), (10, 2814364), (14, 2010260), (20, 1407182), (28, 1005130), (35, 804104), (40, 703591), (49, 574360), (56, 502565), (70, 402052), (83, 339080), (98, 287180), (140, 201026), (166, 169540), (173, 162680), (196, 143590), (245, 114872), (280, 100513), (332, 84770), (346, 81340), (392, 71795), (415, 67816), (490, 57436), (581, 48440), (664, 42385), (692, 40670), (830, 33908), (865, 32536), (980, 28718), (1162, 24220), (1211, 23240), (1384, 20335), (1660, 16954), (1730, 16268), (1960, 14359), (2324, 12110), (2422, 11620), (2905, 9688), (3320, 8477), (3460, 8134), (4067, 6920), (4648, 6055), (4844, 5810)]