198412400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{16001}}^1$

素因数の和:16050

約数の個数: 60

約数和(自身を含む): 492093504

約数和(自身を除く): 293681104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 2480, 3100, 6200, 12400, 16001, 32002, 64004, 80005, 128008, 160010, 256016, 320020, 400025, 496031, 640040, 800050, 992062, 1280080, 1600100, 1984124, 2480155, 3200200, 3968248, 4960310, 6400400, 7936496, 9920620, 12400775, 19841240, 24801550, 39682480, 49603100, 99206200, 198412400]

約数ペア:

[(1, 198412400), (2, 99206200), (4, 49603100), (5, 39682480), (8, 24801550), (10, 19841240), (16, 12400775), (20, 9920620), (25, 7936496), (31, 6400400), (40, 4960310), (50, 3968248), (62, 3200200), (80, 2480155), (100, 1984124), (124, 1600100), (155, 1280080), (200, 992062), (248, 800050), (310, 640040), (400, 496031), (496, 400025), (620, 320020), (775, 256016), (1240, 160010), (1550, 128008), (2480, 80005), (3100, 64004), (6200, 32002), (12400, 16001)]