145417900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{769}}^1$

素因数の和:875

約数の個数: 72

約数和(自身を含む): 331506560

約数和(自身を除く): 186088660

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 61, 62, 100, 122, 124, 155, 244, 305, 310, 610, 620, 769, 775, 1220, 1525, 1538, 1550, 1891, 3050, 3076, 3100, 3782, 3845, 6100, 7564, 7690, 9455, 15380, 18910, 19225, 23839, 37820, 38450, 46909, 47275, 47678, 76900, 93818, 94550, 95356, 119195, 187636, 189100, 234545, 238390, 469090, 476780, 595975, 938180, 1172725, 1191950, 1454179, 2345450, 2383900, 2908358, 4690900, 5816716, 7270895, 14541790, 29083580, 36354475, 72708950, 145417900]

約数ペア:

[(1, 145417900), (2, 72708950), (4, 36354475), (5, 29083580), (10, 14541790), (20, 7270895), (25, 5816716), (31, 4690900), (50, 2908358), (61, 2383900), (62, 2345450), (100, 1454179), (122, 1191950), (124, 1172725), (155, 938180), (244, 595975), (305, 476780), (310, 469090), (610, 238390), (620, 234545), (769, 189100), (775, 187636), (1220, 119195), (1525, 95356), (1538, 94550), (1550, 93818), (1891, 76900), (3050, 47678), (3076, 47275), (3100, 46909), (3782, 38450), (3845, 37820), (6100, 23839), (7564, 19225), (7690, 18910), (9455, 15380)]