7426770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 19474560

約数和(自身を除く): 12047790

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 137, 139, 195, 274, 278, 390, 411, 417, 685, 695, 822, 834, 1370, 1390, 1781, 1807, 2055, 2085, 3562, 3614, 4110, 4170, 5343, 5421, 8905, 9035, 10686, 10842, 17810, 18070, 19043, 26715, 27105, 38086, 53430, 54210, 57129, 95215, 114258, 190430, 247559, 285645, 495118, 571290, 742677, 1237795, 1485354, 2475590, 3713385, 7426770]

約数ペア:

[(1, 7426770), (2, 3713385), (3, 2475590), (5, 1485354), (6, 1237795), (10, 742677), (13, 571290), (15, 495118), (26, 285645), (30, 247559), (39, 190430), (65, 114258), (78, 95215), (130, 57129), (137, 54210), (139, 53430), (195, 38086), (274, 27105), (278, 26715), (390, 19043), (411, 18070), (417, 17810), (685, 10842), (695, 10686), (822, 9035), (834, 8905), (1370, 5421), (1390, 5343), (1781, 4170), (1807, 4110), (2055, 3614), (2085, 3562)]