89702990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1579}}^1$

素因数の和:1641

約数の個数: 64

約数和(自身を含む): 191116800

約数和(自身を除く): 101413810

約数列:

[1, 2, 5, 10, 13, 19, 23, 26, 38, 46, 65, 95, 115, 130, 190, 230, 247, 299, 437, 494, 598, 874, 1235, 1495, 1579, 2185, 2470, 2990, 3158, 4370, 5681, 7895, 11362, 15790, 20527, 28405, 30001, 36317, 41054, 56810, 60002, 72634, 102635, 150005, 181585, 205270, 300010, 363170, 390013, 472121, 690023, 780026, 944242, 1380046, 1950065, 2360605, 3450115, 3900130, 4721210, 6900230, 8970299, 17940598, 44851495, 89702990]

約数ペア:

[(1, 89702990), (2, 44851495), (5, 17940598), (10, 8970299), (13, 6900230), (19, 4721210), (23, 3900130), (26, 3450115), (38, 2360605), (46, 1950065), (65, 1380046), (95, 944242), (115, 780026), (130, 690023), (190, 472121), (230, 390013), (247, 363170), (299, 300010), (437, 205270), (494, 181585), (598, 150005), (874, 102635), (1235, 72634), (1495, 60002), (1579, 56810), (2185, 41054), (2470, 36317), (2990, 30001), (3158, 28405), (4370, 20527), (5681, 15790), (7895, 11362)]