202105090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:256

約数の個数: 96

約数和(自身を含む): 430920000

約数和(自身を除く): 228814910

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 59, 95, 110, 118, 121, 149, 190, 209, 242, 295, 298, 418, 590, 605, 649, 745, 1045, 1121, 1210, 1298, 1490, 1639, 2090, 2242, 2299, 2831, 3245, 3278, 4598, 5605, 5662, 6490, 7139, 8195, 8791, 11210, 11495, 12331, 14155, 14278, 16390, 17582, 18029, 22990, 24662, 28310, 31141, 35695, 36058, 43955, 61655, 62282, 71390, 87910, 90145, 96701, 123310, 135641, 155705, 167029, 180290, 193402, 271282, 311410, 334058, 342551, 483505, 678205, 685102, 835145, 967010, 1063711, 1356410, 1670290, 1712755, 1837319, 2127422, 3425510, 3674638, 5318555, 9186595, 10637110, 18373190, 20210509, 40421018, 101052545, 202105090]

約数ペア:

[(1, 202105090), (2, 101052545), (5, 40421018), (10, 20210509), (11, 18373190), (19, 10637110), (22, 9186595), (38, 5318555), (55, 3674638), (59, 3425510), (95, 2127422), (110, 1837319), (118, 1712755), (121, 1670290), (149, 1356410), (190, 1063711), (209, 967010), (242, 835145), (295, 685102), (298, 678205), (418, 483505), (590, 342551), (605, 334058), (649, 311410), (745, 271282), (1045, 193402), (1121, 180290), (1210, 167029), (1298, 155705), (1490, 135641), (1639, 123310), (2090, 96701), (2242, 90145), (2299, 87910), (2831, 71390), (3245, 62282), (3278, 61655), (4598, 43955), (5605, 36058), (5662, 35695), (6490, 31141), (7139, 28310), (8195, 24662), (8791, 22990), (11210, 18029), (11495, 17582), (12331, 16390), (14155, 14278)]