266909060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{2081}}^1$

素因数の和:2165

約数の個数: 72

約数和(自身を含む): 628022808

約数和(自身を除く): 361113748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 121, 212, 220, 242, 265, 484, 530, 583, 605, 1060, 1166, 1210, 2081, 2332, 2420, 2915, 4162, 5830, 6413, 8324, 10405, 11660, 12826, 20810, 22891, 25652, 32065, 41620, 45782, 64130, 91564, 110293, 114455, 128260, 220586, 228910, 251801, 441172, 457820, 503602, 551465, 1007204, 1102930, 1213223, 1259005, 2205860, 2426446, 2518010, 4852892, 5036020, 6066115, 12132230, 13345453, 24264460, 26690906, 53381812, 66727265, 133454530, 266909060]

約数ペア:

[(1, 266909060), (2, 133454530), (4, 66727265), (5, 53381812), (10, 26690906), (11, 24264460), (20, 13345453), (22, 12132230), (44, 6066115), (53, 5036020), (55, 4852892), (106, 2518010), (110, 2426446), (121, 2205860), (212, 1259005), (220, 1213223), (242, 1102930), (265, 1007204), (484, 551465), (530, 503602), (583, 457820), (605, 441172), (1060, 251801), (1166, 228910), (1210, 220586), (2081, 128260), (2332, 114455), (2420, 110293), (2915, 91564), (4162, 64130), (5830, 45782), (6413, 41620), (8324, 32065), (10405, 25652), (11660, 22891), (12826, 20810)]