157720250

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{433}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 311980032

約数和(自身を除く): 154259782

約数列:

[1, 2, 5, 10, 25, 31, 47, 50, 62, 94, 125, 155, 235, 250, 310, 433, 470, 775, 866, 1175, 1457, 1550, 2165, 2350, 2914, 3875, 4330, 5875, 7285, 7750, 10825, 11750, 13423, 14570, 20351, 21650, 26846, 36425, 40702, 54125, 67115, 72850, 101755, 108250, 134230, 182125, 203510, 335575, 364250, 508775, 630881, 671150, 1017550, 1261762, 1677875, 2543875, 3154405, 3355750, 5087750, 6308810, 15772025, 31544050, 78860125, 157720250]

約数ペア:

[(1, 157720250), (2, 78860125), (5, 31544050), (10, 15772025), (25, 6308810), (31, 5087750), (47, 3355750), (50, 3154405), (62, 2543875), (94, 1677875), (125, 1261762), (155, 1017550), (235, 671150), (250, 630881), (310, 508775), (433, 364250), (470, 335575), (775, 203510), (866, 182125), (1175, 134230), (1457, 108250), (1550, 101755), (2165, 72850), (2350, 67115), (2914, 54125), (3875, 40702), (4330, 36425), (5875, 26846), (7285, 21650), (7750, 20351), (10825, 14570), (11750, 13423)]