202127900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1747}}^1$

素因数の和:1863

約数の個数: 72

約数和(自身を含む): 477938160

約数和(自身を除く): 275810260

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 89, 100, 130, 178, 260, 325, 356, 445, 650, 890, 1157, 1300, 1747, 1780, 2225, 2314, 3494, 4450, 4628, 5785, 6988, 8735, 8900, 11570, 17470, 22711, 23140, 28925, 34940, 43675, 45422, 57850, 87350, 90844, 113555, 115700, 155483, 174700, 227110, 310966, 454220, 567775, 621932, 777415, 1135550, 1554830, 2021279, 2271100, 3109660, 3887075, 4042558, 7774150, 8085116, 10106395, 15548300, 20212790, 40425580, 50531975, 101063950, 202127900]

約数ペア:

[(1, 202127900), (2, 101063950), (4, 50531975), (5, 40425580), (10, 20212790), (13, 15548300), (20, 10106395), (25, 8085116), (26, 7774150), (50, 4042558), (52, 3887075), (65, 3109660), (89, 2271100), (100, 2021279), (130, 1554830), (178, 1135550), (260, 777415), (325, 621932), (356, 567775), (445, 454220), (650, 310966), (890, 227110), (1157, 174700), (1300, 155483), (1747, 115700), (1780, 113555), (2225, 90844), (2314, 87350), (3494, 57850), (4450, 45422), (4628, 43675), (5785, 34940), (6988, 28925), (8735, 23140), (8900, 22711), (11570, 17470)]