1772420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 4254768

約数和(自身を除く): 2482348

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 401, 442, 802, 884, 1105, 1604, 2005, 2210, 4010, 4420, 5213, 6817, 8020, 10426, 13634, 20852, 26065, 27268, 34085, 52130, 68170, 88621, 104260, 136340, 177242, 354484, 443105, 886210, 1772420]

約数ペア:

[(1, 1772420), (2, 886210), (4, 443105), (5, 354484), (10, 177242), (13, 136340), (17, 104260), (20, 88621), (26, 68170), (34, 52130), (52, 34085), (65, 27268), (68, 26065), (85, 20852), (130, 13634), (170, 10426), (221, 8020), (260, 6817), (340, 5213), (401, 4420), (442, 4010), (802, 2210), (884, 2005), (1105, 1604)]