27957860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{691}}^1$

素因数の和:741

約数の個数: 72

約数和(自身を含む): 71381184

約数和(自身を除く): 43423324

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 289, 340, 476, 578, 595, 691, 1156, 1190, 1382, 1445, 2023, 2380, 2764, 2890, 3455, 4046, 4837, 5780, 6910, 8092, 9674, 10115, 11747, 13820, 19348, 20230, 23494, 24185, 40460, 46988, 48370, 58735, 82229, 96740, 117470, 164458, 199699, 234940, 328916, 399398, 411145, 798796, 822290, 998495, 1397893, 1644580, 1996990, 2795786, 3993980, 5591572, 6989465, 13978930, 27957860]

約数ペア:

[(1, 27957860), (2, 13978930), (4, 6989465), (5, 5591572), (7, 3993980), (10, 2795786), (14, 1996990), (17, 1644580), (20, 1397893), (28, 998495), (34, 822290), (35, 798796), (68, 411145), (70, 399398), (85, 328916), (119, 234940), (140, 199699), (170, 164458), (238, 117470), (289, 96740), (340, 82229), (476, 58735), (578, 48370), (595, 46988), (691, 40460), (1156, 24185), (1190, 23494), (1382, 20230), (1445, 19348), (2023, 13820), (2380, 11747), (2764, 10115), (2890, 9674), (3455, 8092), (4046, 6910), (4837, 5780)]