208187440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3257}}^1$

素因数の和:3334

約数の個数: 80

約数和(自身を含む): 523573632

約数和(自身を除く): 315386192

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 94, 136, 170, 188, 235, 272, 340, 376, 470, 680, 752, 799, 940, 1360, 1598, 1880, 3196, 3257, 3760, 3995, 6392, 6514, 7990, 12784, 13028, 15980, 16285, 26056, 31960, 32570, 52112, 55369, 63920, 65140, 110738, 130280, 153079, 221476, 260560, 276845, 306158, 442952, 553690, 612316, 765395, 885904, 1107380, 1224632, 1530790, 2214760, 2449264, 2602343, 3061580, 4429520, 5204686, 6123160, 10409372, 12246320, 13011715, 20818744, 26023430, 41637488, 52046860, 104093720, 208187440]

約数ペア:

[(1, 208187440), (2, 104093720), (4, 52046860), (5, 41637488), (8, 26023430), (10, 20818744), (16, 13011715), (17, 12246320), (20, 10409372), (34, 6123160), (40, 5204686), (47, 4429520), (68, 3061580), (80, 2602343), (85, 2449264), (94, 2214760), (136, 1530790), (170, 1224632), (188, 1107380), (235, 885904), (272, 765395), (340, 612316), (376, 553690), (470, 442952), (680, 306158), (752, 276845), (799, 260560), (940, 221476), (1360, 153079), (1598, 130280), (1880, 110738), (3196, 65140), (3257, 63920), (3760, 55369), (3995, 52112), (6392, 32570), (6514, 31960), (7990, 26056), (12784, 16285), (13028, 15980)]