78764860

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{653}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 171180576

約数和(自身を除く): 92415716

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 163, 185, 326, 370, 652, 653, 740, 815, 1306, 1630, 2612, 3260, 3265, 6031, 6530, 12062, 13060, 24124, 24161, 30155, 48322, 60310, 96644, 106439, 120620, 120805, 212878, 241610, 425756, 483220, 532195, 1064390, 2128780, 3938243, 7876486, 15752972, 19691215, 39382430, 78764860]

約数ペア:

[(1, 78764860), (2, 39382430), (4, 19691215), (5, 15752972), (10, 7876486), (20, 3938243), (37, 2128780), (74, 1064390), (148, 532195), (163, 483220), (185, 425756), (326, 241610), (370, 212878), (652, 120805), (653, 120620), (740, 106439), (815, 96644), (1306, 60310), (1630, 48322), (2612, 30155), (3260, 24161), (3265, 24124), (6031, 13060), (6530, 12062)]