1999686540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{103183}}^1$

素因数の和:103231

約数の個数: 96

約数和(自身を含む): 6240568320

約数和(自身を除く): 4240881780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 114, 170, 190, 204, 228, 255, 285, 323, 340, 380, 510, 570, 646, 969, 1020, 1140, 1292, 1615, 1938, 3230, 3876, 4845, 6460, 9690, 19380, 103183, 206366, 309549, 412732, 515915, 619098, 1031830, 1238196, 1547745, 1754111, 1960477, 2063660, 3095490, 3508222, 3920954, 5262333, 5881431, 6190980, 7016444, 7841908, 8770555, 9802385, 10524666, 11762862, 17541110, 19604770, 21049332, 23525724, 26311665, 29407155, 33328109, 35082220, 39209540, 52623330, 58814310, 66656218, 99984327, 105246660, 117628620, 133312436, 166640545, 199968654, 333281090, 399937308, 499921635, 666562180, 999843270, 1999686540]

約数ペア:

[(1, 1999686540), (2, 999843270), (3, 666562180), (4, 499921635), (5, 399937308), (6, 333281090), (10, 199968654), (12, 166640545), (15, 133312436), (17, 117628620), (19, 105246660), (20, 99984327), (30, 66656218), (34, 58814310), (38, 52623330), (51, 39209540), (57, 35082220), (60, 33328109), (68, 29407155), (76, 26311665), (85, 23525724), (95, 21049332), (102, 19604770), (114, 17541110), (170, 11762862), (190, 10524666), (204, 9802385), (228, 8770555), (255, 7841908), (285, 7016444), (323, 6190980), (340, 5881431), (380, 5262333), (510, 3920954), (570, 3508222), (646, 3095490), (969, 2063660), (1020, 1960477), (1140, 1754111), (1292, 1547745), (1615, 1238196), (1938, 1031830), (3230, 619098), (3876, 515915), (4845, 412732), (6460, 309549), (9690, 206366), (19380, 103183)]