218331380

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1\times {\mathrm{733}}^1$

素因数の和:1076

約数の個数: 48

約数和(自身を含む): 469448784

約数和(自身を除く): 251117404

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 281, 530, 562, 733, 1060, 1124, 1405, 1466, 2810, 2932, 3665, 5620, 7330, 14660, 14893, 29786, 38849, 59572, 74465, 77698, 148930, 155396, 194245, 205973, 297860, 388490, 411946, 776980, 823892, 1029865, 2059730, 4119460, 10916569, 21833138, 43666276, 54582845, 109165690, 218331380]

約数ペア:

[(1, 218331380), (2, 109165690), (4, 54582845), (5, 43666276), (10, 21833138), (20, 10916569), (53, 4119460), (106, 2059730), (212, 1029865), (265, 823892), (281, 776980), (530, 411946), (562, 388490), (733, 297860), (1060, 205973), (1124, 194245), (1405, 155396), (1466, 148930), (2810, 77698), (2932, 74465), (3665, 59572), (5620, 38849), (7330, 29786), (14660, 14893)]