257668400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{373}}^1$

素因数の和:559

約数の個数: 120

約数和(自身を含む): 681448944

約数和(自身を除く): 423780544

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 157, 176, 200, 220, 275, 314, 373, 400, 440, 550, 628, 746, 785, 880, 1100, 1256, 1492, 1570, 1727, 1865, 2200, 2512, 2984, 3140, 3454, 3730, 3925, 4103, 4400, 5968, 6280, 6908, 7460, 7850, 8206, 8635, 9325, 12560, 13816, 14920, 15700, 16412, 17270, 18650, 20515, 27632, 29840, 31400, 32824, 34540, 37300, 41030, 43175, 58561, 62800, 65648, 69080, 74600, 82060, 86350, 102575, 117122, 138160, 149200, 164120, 172700, 205150, 234244, 292805, 328240, 345400, 410300, 468488, 585610, 644171, 690800, 820600, 936976, 1171220, 1288342, 1464025, 1641200, 2342440, 2576684, 2928050, 3220855, 4684880, 5153368, 5856100, 6441710, 10306736, 11712200, 12883420, 16104275, 23424400, 25766840, 32208550, 51533680, 64417100, 128834200, 257668400]

約数ペア:

[(1, 257668400), (2, 128834200), (4, 64417100), (5, 51533680), (8, 32208550), (10, 25766840), (11, 23424400), (16, 16104275), (20, 12883420), (22, 11712200), (25, 10306736), (40, 6441710), (44, 5856100), (50, 5153368), (55, 4684880), (80, 3220855), (88, 2928050), (100, 2576684), (110, 2342440), (157, 1641200), (176, 1464025), (200, 1288342), (220, 1171220), (275, 936976), (314, 820600), (373, 690800), (400, 644171), (440, 585610), (550, 468488), (628, 410300), (746, 345400), (785, 328240), (880, 292805), (1100, 234244), (1256, 205150), (1492, 172700), (1570, 164120), (1727, 149200), (1865, 138160), (2200, 117122), (2512, 102575), (2984, 86350), (3140, 82060), (3454, 74600), (3730, 69080), (3925, 65648), (4103, 62800), (4400, 58561), (5968, 43175), (6280, 41030), (6908, 37300), (7460, 34540), (7850, 32824), (8206, 31400), (8635, 29840), (9325, 27632), (12560, 20515), (13816, 18650), (14920, 17270), (15700, 16412)]