344665240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{773}}^1$

素因数の和:1012

約数の個数: 64

約数和(自身を含む): 792452160

約数和(自身を除く): 447786920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 157, 284, 314, 355, 568, 628, 710, 773, 785, 1256, 1420, 1546, 1570, 2840, 3092, 3140, 3865, 6184, 6280, 7730, 11147, 15460, 22294, 30920, 44588, 54883, 55735, 89176, 109766, 111470, 121361, 219532, 222940, 242722, 274415, 439064, 445880, 485444, 548830, 606805, 970888, 1097660, 1213610, 2195320, 2427220, 4854440, 8616631, 17233262, 34466524, 43083155, 68933048, 86166310, 172332620, 344665240]

約数ペア:

[(1, 344665240), (2, 172332620), (4, 86166310), (5, 68933048), (8, 43083155), (10, 34466524), (20, 17233262), (40, 8616631), (71, 4854440), (142, 2427220), (157, 2195320), (284, 1213610), (314, 1097660), (355, 970888), (568, 606805), (628, 548830), (710, 485444), (773, 445880), (785, 439064), (1256, 274415), (1420, 242722), (1546, 222940), (1570, 219532), (2840, 121361), (3092, 111470), (3140, 109766), (3865, 89176), (6184, 55735), (6280, 54883), (7730, 44588), (11147, 30920), (15460, 22294)]