31870790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{773}}^1$

素因数の和:837

約数の個数: 64

約数和(自身を含む): 71331840

約数和(自身を除く): 39461050

約数列:

[1, 2, 5, 7, 10, 14, 19, 31, 35, 38, 62, 70, 95, 133, 155, 190, 217, 266, 310, 434, 589, 665, 773, 1085, 1178, 1330, 1546, 2170, 2945, 3865, 4123, 5411, 5890, 7730, 8246, 10822, 14687, 20615, 23963, 27055, 29374, 41230, 47926, 54110, 73435, 102809, 119815, 146870, 167741, 205618, 239630, 335482, 455297, 514045, 838705, 910594, 1028090, 1677410, 2276485, 3187079, 4552970, 6374158, 15935395, 31870790]

約数ペア:

[(1, 31870790), (2, 15935395), (5, 6374158), (7, 4552970), (10, 3187079), (14, 2276485), (19, 1677410), (31, 1028090), (35, 910594), (38, 838705), (62, 514045), (70, 455297), (95, 335482), (133, 239630), (155, 205618), (190, 167741), (217, 146870), (266, 119815), (310, 102809), (434, 73435), (589, 54110), (665, 47926), (773, 41230), (1085, 29374), (1178, 27055), (1330, 23963), (1546, 20615), (2170, 14687), (2945, 10822), (3865, 8246), (4123, 7730), (5411, 5890)]