28363450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:703

約数の個数: 48

約数和(自身を含む): 56424960

約数和(自身を除く): 28061510

約数列:

[1, 2, 5, 10, 25, 29, 31, 50, 58, 62, 145, 155, 290, 310, 631, 725, 775, 899, 1262, 1450, 1550, 1798, 3155, 4495, 6310, 8990, 15775, 18299, 19561, 22475, 31550, 36598, 39122, 44950, 91495, 97805, 182990, 195610, 457475, 489025, 567269, 914950, 978050, 1134538, 2836345, 5672690, 14181725, 28363450]

約数ペア:

[(1, 28363450), (2, 14181725), (5, 5672690), (10, 2836345), (25, 1134538), (29, 978050), (31, 914950), (50, 567269), (58, 489025), (62, 457475), (145, 195610), (155, 182990), (290, 97805), (310, 91495), (631, 44950), (725, 39122), (775, 36598), (899, 31550), (1262, 22475), (1450, 19561), (1550, 18299), (1798, 15775), (3155, 8990), (4495, 6310)]