155403700

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{433}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 350718872

約数和(自身を除く): 195315172

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 97, 100, 148, 185, 194, 370, 388, 433, 485, 740, 866, 925, 970, 1732, 1850, 1940, 2165, 2425, 3589, 3700, 4330, 4850, 7178, 8660, 9700, 10825, 14356, 16021, 17945, 21650, 32042, 35890, 42001, 43300, 64084, 71780, 80105, 84002, 89725, 160210, 168004, 179450, 210005, 320420, 358900, 400525, 420010, 801050, 840020, 1050025, 1554037, 1602100, 2100050, 3108074, 4200100, 6216148, 7770185, 15540370, 31080740, 38850925, 77701850, 155403700]

約数ペア:

[(1, 155403700), (2, 77701850), (4, 38850925), (5, 31080740), (10, 15540370), (20, 7770185), (25, 6216148), (37, 4200100), (50, 3108074), (74, 2100050), (97, 1602100), (100, 1554037), (148, 1050025), (185, 840020), (194, 801050), (370, 420010), (388, 400525), (433, 358900), (485, 320420), (740, 210005), (866, 179450), (925, 168004), (970, 160210), (1732, 89725), (1850, 84002), (1940, 80105), (2165, 71780), (2425, 64084), (3589, 43300), (3700, 42001), (4330, 35890), (4850, 32042), (7178, 21650), (8660, 17945), (9700, 16021), (10825, 14356)]