285440260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{18043}}^1$

素因数の和:18172

約数の個数: 48

約数和(自身を含む): 691157376

約数和(自身を除く): 405717116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1582, 2260, 3164, 3955, 7910, 15820, 18043, 36086, 72172, 90215, 126301, 180430, 252602, 360860, 505204, 631505, 1263010, 2038859, 2526020, 4077718, 8155436, 10194295, 14272013, 20388590, 28544026, 40777180, 57088052, 71360065, 142720130, 285440260]

約数ペア:

[(1, 285440260), (2, 142720130), (4, 71360065), (5, 57088052), (7, 40777180), (10, 28544026), (14, 20388590), (20, 14272013), (28, 10194295), (35, 8155436), (70, 4077718), (113, 2526020), (140, 2038859), (226, 1263010), (452, 631505), (565, 505204), (791, 360860), (1130, 252602), (1582, 180430), (2260, 126301), (3164, 90215), (3955, 72172), (7910, 36086), (15820, 18043)]