189464860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{3049}}^1$

素因数の和:3310

約数の個数: 48

約数和(自身を含む): 430416000

約数和(自身を除く): 240951140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 239, 260, 478, 956, 1195, 2390, 3049, 3107, 4780, 6098, 6214, 12196, 12428, 15245, 15535, 30490, 31070, 39637, 60980, 62140, 79274, 158548, 198185, 396370, 728711, 792740, 1457422, 2914844, 3643555, 7287110, 9473243, 14574220, 18946486, 37892972, 47366215, 94732430, 189464860]

約数ペア:

[(1, 189464860), (2, 94732430), (4, 47366215), (5, 37892972), (10, 18946486), (13, 14574220), (20, 9473243), (26, 7287110), (52, 3643555), (65, 2914844), (130, 1457422), (239, 792740), (260, 728711), (478, 396370), (956, 198185), (1195, 158548), (2390, 79274), (3049, 62140), (3107, 60980), (4780, 39637), (6098, 31070), (6214, 30490), (12196, 15535), (12428, 15245)]