102515450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^2$

素因数の和:180

約数の個数: 72

約数和(自身を含む): 210760320

約数和(自身を除く): 108244870

約数列:

[1, 2, 5, 10, 19, 25, 31, 38, 50, 59, 62, 95, 118, 155, 190, 295, 310, 475, 589, 590, 775, 950, 1121, 1178, 1475, 1550, 1829, 2242, 2945, 2950, 3481, 3658, 5605, 5890, 6962, 9145, 11210, 14725, 17405, 18290, 28025, 29450, 34751, 34810, 45725, 56050, 66139, 69502, 87025, 91450, 107911, 132278, 173755, 174050, 215822, 330695, 347510, 539555, 661390, 868775, 1079110, 1653475, 1737550, 2050309, 2697775, 3306950, 4100618, 5395550, 10251545, 20503090, 51257725, 102515450]

約数ペア:

[(1, 102515450), (2, 51257725), (5, 20503090), (10, 10251545), (19, 5395550), (25, 4100618), (31, 3306950), (38, 2697775), (50, 2050309), (59, 1737550), (62, 1653475), (95, 1079110), (118, 868775), (155, 661390), (190, 539555), (295, 347510), (310, 330695), (475, 215822), (589, 174050), (590, 173755), (775, 132278), (950, 107911), (1121, 91450), (1178, 87025), (1475, 69502), (1550, 66139), (1829, 56050), (2242, 45725), (2945, 34810), (2950, 34751), (3481, 29450), (3658, 28025), (5605, 18290), (5890, 17405), (6962, 14725), (9145, 11210)]