245921240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{1867}}^1$

素因数の和:2004

約数の個数: 64

約数和(自身を含む): 574970400

約数和(自身を除く): 329049160

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 89, 148, 178, 185, 296, 356, 370, 445, 712, 740, 890, 1480, 1780, 1867, 3293, 3560, 3734, 6586, 7468, 9335, 13172, 14936, 16465, 18670, 26344, 32930, 37340, 65860, 69079, 74680, 131720, 138158, 166163, 276316, 332326, 345395, 552632, 664652, 690790, 830815, 1329304, 1381580, 1661630, 2763160, 3323260, 6148031, 6646520, 12296062, 24592124, 30740155, 49184248, 61480310, 122960620, 245921240]

約数ペア:

[(1, 245921240), (2, 122960620), (4, 61480310), (5, 49184248), (8, 30740155), (10, 24592124), (20, 12296062), (37, 6646520), (40, 6148031), (74, 3323260), (89, 2763160), (148, 1661630), (178, 1381580), (185, 1329304), (296, 830815), (356, 690790), (370, 664652), (445, 552632), (712, 345395), (740, 332326), (890, 276316), (1480, 166163), (1780, 138158), (1867, 131720), (3293, 74680), (3560, 69079), (3734, 65860), (6586, 37340), (7468, 32930), (9335, 26344), (13172, 18670), (14936, 16465)]