238872440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{3947}}^1$

素因数の和:4064

約数の個数: 64

約数和(自身を含む): 575618400

約数和(自身を除く): 336745960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 89, 136, 170, 178, 340, 356, 445, 680, 712, 890, 1513, 1780, 3026, 3560, 3947, 6052, 7565, 7894, 12104, 15130, 15788, 19735, 30260, 31576, 39470, 60520, 67099, 78940, 134198, 157880, 268396, 335495, 351283, 536792, 670990, 702566, 1341980, 1405132, 1756415, 2683960, 2810264, 3512830, 5971811, 7025660, 11943622, 14051320, 23887244, 29859055, 47774488, 59718110, 119436220, 238872440]

約数ペア:

[(1, 238872440), (2, 119436220), (4, 59718110), (5, 47774488), (8, 29859055), (10, 23887244), (17, 14051320), (20, 11943622), (34, 7025660), (40, 5971811), (68, 3512830), (85, 2810264), (89, 2683960), (136, 1756415), (170, 1405132), (178, 1341980), (340, 702566), (356, 670990), (445, 536792), (680, 351283), (712, 335495), (890, 268396), (1513, 157880), (1780, 134198), (3026, 78940), (3560, 67099), (3947, 60520), (6052, 39470), (7565, 31576), (7894, 30260), (12104, 19735), (15130, 15788)]