205432890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{4021}}^1$

素因数の和:4175

約数の個数: 64

約数和(自身を含む): 535151232

約数和(自身を除く): 329718342

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 131, 195, 262, 390, 393, 655, 786, 1310, 1703, 1965, 3406, 3930, 4021, 5109, 8042, 8515, 10218, 12063, 17030, 20105, 24126, 25545, 40210, 51090, 52273, 60315, 104546, 120630, 156819, 261365, 313638, 522730, 526751, 784095, 1053502, 1568190, 1580253, 2633755, 3160506, 5267510, 6847763, 7901265, 13695526, 15802530, 20543289, 34238815, 41086578, 68477630, 102716445, 205432890]

約数ペア:

[(1, 205432890), (2, 102716445), (3, 68477630), (5, 41086578), (6, 34238815), (10, 20543289), (13, 15802530), (15, 13695526), (26, 7901265), (30, 6847763), (39, 5267510), (65, 3160506), (78, 2633755), (130, 1580253), (131, 1568190), (195, 1053502), (262, 784095), (390, 526751), (393, 522730), (655, 313638), (786, 261365), (1310, 156819), (1703, 120630), (1965, 104546), (3406, 60315), (3930, 52273), (4021, 51090), (5109, 40210), (8042, 25545), (8515, 24126), (10218, 20105), (12063, 17030)]