212910770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{587}}^1$

素因数の和:719

約数の個数: 64

約数和(自身を含む): 426746880

約数和(自身を除く): 213836110

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 83, 95, 115, 166, 190, 230, 415, 437, 587, 830, 874, 1174, 1577, 1909, 2185, 2935, 3154, 3818, 4370, 5870, 7885, 9545, 11153, 13501, 15770, 19090, 22306, 27002, 36271, 48721, 55765, 67505, 72542, 97442, 111530, 135010, 181355, 243605, 256519, 362710, 487210, 513038, 925699, 1120583, 1282595, 1851398, 2241166, 2565190, 4628495, 5602915, 9256990, 11205830, 21291077, 42582154, 106455385, 212910770]

約数ペア:

[(1, 212910770), (2, 106455385), (5, 42582154), (10, 21291077), (19, 11205830), (23, 9256990), (38, 5602915), (46, 4628495), (83, 2565190), (95, 2241166), (115, 1851398), (166, 1282595), (190, 1120583), (230, 925699), (415, 513038), (437, 487210), (587, 362710), (830, 256519), (874, 243605), (1174, 181355), (1577, 135010), (1909, 111530), (2185, 97442), (2935, 72542), (3154, 67505), (3818, 55765), (4370, 48721), (5870, 36271), (7885, 27002), (9545, 22306), (11153, 19090), (13501, 15770)]