408034480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{2593}}^1$

素因数の和:2894

約数の個数: 80

約数和(自身を含む): 1088483904

約数和(自身を除く): 680449424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 281, 560, 562, 1124, 1405, 1967, 2248, 2593, 2810, 3934, 4496, 5186, 5620, 7868, 9835, 10372, 11240, 12965, 15736, 18151, 19670, 20744, 22480, 25930, 31472, 36302, 39340, 41488, 51860, 72604, 78680, 90755, 103720, 145208, 157360, 181510, 207440, 290416, 363020, 726040, 728633, 1452080, 1457266, 2914532, 3643165, 5100431, 5829064, 7286330, 10200862, 11658128, 14572660, 20401724, 25502155, 29145320, 40803448, 51004310, 58290640, 81606896, 102008620, 204017240, 408034480]

約数ペア:

[(1, 408034480), (2, 204017240), (4, 102008620), (5, 81606896), (7, 58290640), (8, 51004310), (10, 40803448), (14, 29145320), (16, 25502155), (20, 20401724), (28, 14572660), (35, 11658128), (40, 10200862), (56, 7286330), (70, 5829064), (80, 5100431), (112, 3643165), (140, 2914532), (280, 1457266), (281, 1452080), (560, 728633), (562, 726040), (1124, 363020), (1405, 290416), (1967, 207440), (2248, 181510), (2593, 157360), (2810, 145208), (3934, 103720), (4496, 90755), (5186, 78680), (5620, 72604), (7868, 51860), (9835, 41488), (10372, 39340), (11240, 36302), (12965, 31472), (15736, 25930), (18151, 22480), (19670, 20744)]