216919900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2549}}^1$

素因数の和:2623

約数の個数: 72

約数和(自身を含む): 504655200

約数和(自身を除く): 287735300

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 37, 46, 50, 74, 92, 100, 115, 148, 185, 230, 370, 460, 575, 740, 851, 925, 1150, 1702, 1850, 2300, 2549, 3404, 3700, 4255, 5098, 8510, 10196, 12745, 17020, 21275, 25490, 42550, 50980, 58627, 63725, 85100, 94313, 117254, 127450, 188626, 234508, 254900, 293135, 377252, 471565, 586270, 943130, 1172540, 1465675, 1886260, 2169199, 2357825, 2931350, 4338398, 4715650, 5862700, 8676796, 9431300, 10845995, 21691990, 43383980, 54229975, 108459950, 216919900]

約数ペア:

[(1, 216919900), (2, 108459950), (4, 54229975), (5, 43383980), (10, 21691990), (20, 10845995), (23, 9431300), (25, 8676796), (37, 5862700), (46, 4715650), (50, 4338398), (74, 2931350), (92, 2357825), (100, 2169199), (115, 1886260), (148, 1465675), (185, 1172540), (230, 943130), (370, 586270), (460, 471565), (575, 377252), (740, 293135), (851, 254900), (925, 234508), (1150, 188626), (1702, 127450), (1850, 117254), (2300, 94313), (2549, 85100), (3404, 63725), (3700, 58627), (4255, 50980), (5098, 42550), (8510, 25490), (10196, 21275), (12745, 17020)]