190774420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1\times {\mathrm{647}}^1$

素因数の和:1320

約数の個数: 48

約数和(自身を含む): 419344128

約数和(自身を除く): 228569708

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 641, 647, 1282, 1294, 2564, 2588, 3205, 3235, 6410, 6470, 12820, 12940, 14743, 14881, 29486, 29762, 58972, 59524, 73715, 74405, 147430, 148810, 294860, 297620, 414727, 829454, 1658908, 2073635, 4147270, 8294540, 9538721, 19077442, 38154884, 47693605, 95387210, 190774420]

約数ペア:

[(1, 190774420), (2, 95387210), (4, 47693605), (5, 38154884), (10, 19077442), (20, 9538721), (23, 8294540), (46, 4147270), (92, 2073635), (115, 1658908), (230, 829454), (460, 414727), (641, 297620), (647, 294860), (1282, 148810), (1294, 147430), (2564, 74405), (2588, 73715), (3205, 59524), (3235, 58972), (6410, 29762), (6470, 29486), (12820, 14881), (12940, 14743)]