450722900

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1997}}^1$

素因数の和:2109

約数の個数: 72

約数和(自身を含む): 1021481496

約数和(自身を除く): 570758596

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 61, 74, 100, 122, 148, 185, 244, 305, 370, 610, 740, 925, 1220, 1525, 1850, 1997, 2257, 3050, 3700, 3994, 4514, 6100, 7988, 9028, 9985, 11285, 19970, 22570, 39940, 45140, 49925, 56425, 73889, 99850, 112850, 121817, 147778, 199700, 225700, 243634, 295556, 369445, 487268, 609085, 738890, 1218170, 1477780, 1847225, 2436340, 3045425, 3694450, 4507229, 6090850, 7388900, 9014458, 12181700, 18028916, 22536145, 45072290, 90144580, 112680725, 225361450, 450722900]

約数ペア:

[(1, 450722900), (2, 225361450), (4, 112680725), (5, 90144580), (10, 45072290), (20, 22536145), (25, 18028916), (37, 12181700), (50, 9014458), (61, 7388900), (74, 6090850), (100, 4507229), (122, 3694450), (148, 3045425), (185, 2436340), (244, 1847225), (305, 1477780), (370, 1218170), (610, 738890), (740, 609085), (925, 487268), (1220, 369445), (1525, 295556), (1850, 243634), (1997, 225700), (2257, 199700), (3050, 147778), (3700, 121817), (3994, 112850), (4514, 99850), (6100, 73889), (7988, 56425), (9028, 49925), (9985, 45140), (11285, 39940), (19970, 22570)]