203411420

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1\times {\mathrm{677}}^1$

素因数の和:950

約数の個数: 48

約数和(自身を含む): 435341088

約数和(自身を除く): 231929668

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 181, 332, 362, 415, 677, 724, 830, 905, 1354, 1660, 1810, 2708, 3385, 3620, 6770, 13540, 15023, 30046, 56191, 60092, 75115, 112382, 122537, 150230, 224764, 245074, 280955, 300460, 490148, 561910, 612685, 1123820, 1225370, 2450740, 10170571, 20341142, 40682284, 50852855, 101705710, 203411420]

約数ペア:

[(1, 203411420), (2, 101705710), (4, 50852855), (5, 40682284), (10, 20341142), (20, 10170571), (83, 2450740), (166, 1225370), (181, 1123820), (332, 612685), (362, 561910), (415, 490148), (677, 300460), (724, 280955), (830, 245074), (905, 224764), (1354, 150230), (1660, 122537), (1810, 112382), (2708, 75115), (3385, 60092), (3620, 56191), (6770, 30046), (13540, 15023)]