628227.0000000

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{659}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 19958400

約数和(自身を除く): 11404580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 659, 1180, 1298, 1318, 2596, 2636, 3245, 3295, 6490, 6590, 7249, 12980, 13180, 14498, 28996, 36245, 38881, 72490, 77762, 144980, 155524, 194405, 388810, 427691, 777620, 855382, 1710764, 2138455, 4276910, 8553820]

約数ペア:

[(1, 8553820), (2, 4276910), (4, 2138455), (5, 1710764), (10, 855382), (11, 777620), (20, 427691), (22, 388810), (44, 194405), (55, 155524), (59, 144980), (110, 77762), (118, 72490), (220, 38881), (236, 36245), (295, 28996), (590, 14498), (649, 13180), (659, 12980), (1180, 7249), (1298, 6590), (1318, 6490), (2596, 3295), (2636, 3245)]