40040770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{349}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 90720000

約数和(自身を除く): 50679230

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 149, 154, 298, 349, 385, 698, 745, 770, 1043, 1490, 1639, 1745, 2086, 2443, 3278, 3490, 3839, 4886, 5215, 7678, 8195, 10430, 11473, 12215, 16390, 19195, 22946, 24430, 26873, 38390, 52001, 53746, 57365, 104002, 114730, 134365, 260005, 268730, 364007, 520010, 572011, 728014, 1144022, 1820035, 2860055, 3640070, 4004077, 5720110, 8008154, 20020385, 40040770]

約数ペア:

[(1, 40040770), (2, 20020385), (5, 8008154), (7, 5720110), (10, 4004077), (11, 3640070), (14, 2860055), (22, 1820035), (35, 1144022), (55, 728014), (70, 572011), (77, 520010), (110, 364007), (149, 268730), (154, 260005), (298, 134365), (349, 114730), (385, 104002), (698, 57365), (745, 53746), (770, 52001), (1043, 38390), (1490, 26873), (1639, 24430), (1745, 22946), (2086, 19195), (2443, 16390), (3278, 12215), (3490, 11473), (3839, 10430), (4886, 8195), (5215, 7678)]