208070980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{503}}^1$

素因数の和:605

約数の個数: 96

約数和(自身を含む): 495500544

約数和(自身を除く): 287429564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 43, 52, 65, 74, 86, 130, 148, 172, 185, 215, 260, 370, 430, 481, 503, 559, 740, 860, 962, 1006, 1118, 1591, 1924, 2012, 2236, 2405, 2515, 2795, 3182, 4810, 5030, 5590, 6364, 6539, 7955, 9620, 10060, 11180, 13078, 15910, 18611, 20683, 21629, 26156, 31820, 32695, 37222, 41366, 43258, 65390, 74444, 82732, 86516, 93055, 103415, 108145, 130780, 186110, 206830, 216290, 241943, 281177, 372220, 413660, 432580, 483886, 562354, 800273, 967772, 1124708, 1209715, 1405885, 1600546, 2419430, 2811770, 3201092, 4001365, 4838860, 5623540, 8002730, 10403549, 16005460, 20807098, 41614196, 52017745, 104035490, 208070980]

約数ペア:

[(1, 208070980), (2, 104035490), (4, 52017745), (5, 41614196), (10, 20807098), (13, 16005460), (20, 10403549), (26, 8002730), (37, 5623540), (43, 4838860), (52, 4001365), (65, 3201092), (74, 2811770), (86, 2419430), (130, 1600546), (148, 1405885), (172, 1209715), (185, 1124708), (215, 967772), (260, 800273), (370, 562354), (430, 483886), (481, 432580), (503, 413660), (559, 372220), (740, 281177), (860, 241943), (962, 216290), (1006, 206830), (1118, 186110), (1591, 130780), (1924, 108145), (2012, 103415), (2236, 93055), (2405, 86516), (2515, 82732), (2795, 74444), (3182, 65390), (4810, 43258), (5030, 41366), (5590, 37222), (6364, 32695), (6539, 31820), (7955, 26156), (9620, 21629), (10060, 20683), (11180, 18611), (13078, 15910)]