409529420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:495

約数の個数: 96

約数和(自身を含む): 942036480

約数和(自身を除く): 532507060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 71, 76, 86, 95, 142, 172, 190, 215, 284, 353, 355, 380, 430, 706, 710, 817, 860, 1349, 1412, 1420, 1634, 1765, 2698, 3053, 3268, 3530, 4085, 5396, 6106, 6707, 6745, 7060, 8170, 12212, 13414, 13490, 15179, 15265, 16340, 25063, 26828, 26980, 30358, 30530, 33535, 50126, 58007, 60716, 61060, 67070, 75895, 100252, 116014, 125315, 134140, 151790, 232028, 250630, 288401, 290035, 303580, 476197, 501260, 576802, 580070, 952394, 1077709, 1153604, 1160140, 1442005, 1904788, 2155418, 2380985, 2884010, 4310836, 4761970, 5388545, 5768020, 9523940, 10777090, 20476471, 21554180, 40952942, 81905884, 102382355, 204764710, 409529420]

約数ペア:

[(1, 409529420), (2, 204764710), (4, 102382355), (5, 81905884), (10, 40952942), (19, 21554180), (20, 20476471), (38, 10777090), (43, 9523940), (71, 5768020), (76, 5388545), (86, 4761970), (95, 4310836), (142, 2884010), (172, 2380985), (190, 2155418), (215, 1904788), (284, 1442005), (353, 1160140), (355, 1153604), (380, 1077709), (430, 952394), (706, 580070), (710, 576802), (817, 501260), (860, 476197), (1349, 303580), (1412, 290035), (1420, 288401), (1634, 250630), (1765, 232028), (2698, 151790), (3053, 134140), (3268, 125315), (3530, 116014), (4085, 100252), (5396, 75895), (6106, 67070), (6707, 61060), (6745, 60716), (7060, 58007), (8170, 50126), (12212, 33535), (13414, 30530), (13490, 30358), (15179, 26980), (15265, 26828), (16340, 25063)]