215212400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41387}}^1$

素因数の和:41418

約数の個数: 60

約数和(自身を含む): 556834152

約数和(自身を除く): 341621752

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 41387, 82774, 165548, 206935, 331096, 413870, 538031, 662192, 827740, 1034675, 1076062, 1655480, 2069350, 2152124, 2690155, 3310960, 4138700, 4304248, 5380310, 8277400, 8608496, 10760620, 13450775, 16554800, 21521240, 26901550, 43042480, 53803100, 107606200, 215212400]

約数ペア:

[(1, 215212400), (2, 107606200), (4, 53803100), (5, 43042480), (8, 26901550), (10, 21521240), (13, 16554800), (16, 13450775), (20, 10760620), (25, 8608496), (26, 8277400), (40, 5380310), (50, 4304248), (52, 4138700), (65, 3310960), (80, 2690155), (100, 2152124), (104, 2069350), (130, 1655480), (200, 1076062), (208, 1034675), (260, 827740), (325, 662192), (400, 538031), (520, 413870), (650, 331096), (1040, 206935), (1300, 165548), (2600, 82774), (5200, 41387)]