1778408060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{621821}}^1$

素因数の和:621854

約数の個数: 48

約数和(自身を含む): 4387576032

約数和(自身を除く): 2609167972

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 621821, 1243642, 2487284, 3109105, 6218210, 6840031, 8083673, 12436420, 13680062, 16167346, 27360124, 32334692, 34200155, 40418365, 68400310, 80836730, 88920403, 136800620, 161673460, 177840806, 355681612, 444602015, 889204030, 1778408060]

約数ペア:

[(1, 1778408060), (2, 889204030), (4, 444602015), (5, 355681612), (10, 177840806), (11, 161673460), (13, 136800620), (20, 88920403), (22, 80836730), (26, 68400310), (44, 40418365), (52, 34200155), (55, 32334692), (65, 27360124), (110, 16167346), (130, 13680062), (143, 12436420), (220, 8083673), (260, 6840031), (286, 6218210), (572, 3109105), (715, 2487284), (1430, 1243642), (2860, 621821)]