204364400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{16481}}^1$

素因数の和:16530

約数の個数: 60

約数和(自身を含む): 506854464

約数和(自身を除く): 302490064

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, 16481, 32962, 65924, 82405, 131848, 164810, 263696, 329620, 412025, 510911, 659240, 824050, 1021822, 1318480, 1648100, 2043644, 2554555, 3296200, 4087288, 5109110, 6592400, 8174576, 10218220, 12772775, 20436440, 25545550, 40872880, 51091100, 102182200, 204364400]

約数ペア:

[(1, 204364400), (2, 102182200), (4, 51091100), (5, 40872880), (8, 25545550), (10, 20436440), (16, 12772775), (20, 10218220), (25, 8174576), (31, 6592400), (40, 5109110), (50, 4087288), (62, 3296200), (80, 2554555), (100, 2043644), (124, 1648100), (155, 1318480), (200, 1021822), (248, 824050), (310, 659240), (400, 510911), (496, 412025), (620, 329620), (775, 263696), (1240, 164810), (1550, 131848), (2480, 82405), (3100, 65924), (6200, 32962), (12400, 16481)]