221534870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{563}}^1$

素因数の和:717

約数の個数: 48

約数和(自身を含む): 425470320

約数和(自身を除く): 203935450

約数列:

[1, 2, 5, 10, 19, 38, 95, 109, 190, 218, 361, 545, 563, 722, 1090, 1126, 1805, 2071, 2815, 3610, 4142, 5630, 10355, 10697, 20710, 21394, 39349, 53485, 61367, 78698, 106970, 122734, 196745, 203243, 306835, 393490, 406486, 613670, 1016215, 1165973, 2032430, 2331946, 5829865, 11659730, 22153487, 44306974, 110767435, 221534870]

約数ペア:

[(1, 221534870), (2, 110767435), (5, 44306974), (10, 22153487), (19, 11659730), (38, 5829865), (95, 2331946), (109, 2032430), (190, 1165973), (218, 1016215), (361, 613670), (545, 406486), (563, 393490), (722, 306835), (1090, 203243), (1126, 196745), (1805, 122734), (2071, 106970), (2815, 78698), (3610, 61367), (4142, 53485), (5630, 39349), (10355, 21394), (10697, 20710)]