20171962700

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{17137}}^1$

素因数の和:17379

約数の個数: 72

約数和(自身を含む): 44627352000

約数和(自身を除く): 24455389300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 149, 158, 298, 316, 395, 596, 745, 790, 1490, 1580, 1975, 2980, 3725, 3950, 7450, 7900, 11771, 14900, 17137, 23542, 34274, 47084, 58855, 68548, 85685, 117710, 171370, 235420, 294275, 342740, 428425, 588550, 856850, 1177100, 1353823, 1713700, 2553413, 2707646, 5106826, 5415292, 6769115, 10213652, 12767065, 13538230, 25534130, 27076460, 33845575, 51068260, 63835325, 67691150, 127670650, 135382300, 201719627, 255341300, 403439254, 806878508, 1008598135, 2017196270, 4034392540, 5042990675, 10085981350, 20171962700]

約数ペア:

[(1, 20171962700), (2, 10085981350), (4, 5042990675), (5, 4034392540), (10, 2017196270), (20, 1008598135), (25, 806878508), (50, 403439254), (79, 255341300), (100, 201719627), (149, 135382300), (158, 127670650), (298, 67691150), (316, 63835325), (395, 51068260), (596, 33845575), (745, 27076460), (790, 25534130), (1490, 13538230), (1580, 12767065), (1975, 10213652), (2980, 6769115), (3725, 5415292), (3950, 5106826), (7450, 2707646), (7900, 2553413), (11771, 1713700), (14900, 1353823), (17137, 1177100), (23542, 856850), (34274, 588550), (47084, 428425), (58855, 342740), (68548, 294275), (85685, 235420), (117710, 171370)]