4893980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2689}}^1$

素因数の和:2718

約数の個数: 48

約数和(自身を含む): 12653760

約数和(自身を除く): 7759780

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 2689, 5378, 10756, 13445, 18823, 26890, 34957, 37646, 53780, 69914, 75292, 94115, 139828, 174785, 188230, 244699, 349570, 376460, 489398, 699140, 978796, 1223495, 2446990, 4893980]

約数ペア:

[(1, 4893980), (2, 2446990), (4, 1223495), (5, 978796), (7, 699140), (10, 489398), (13, 376460), (14, 349570), (20, 244699), (26, 188230), (28, 174785), (35, 139828), (52, 94115), (65, 75292), (70, 69914), (91, 53780), (130, 37646), (140, 34957), (182, 26890), (260, 18823), (364, 13445), (455, 10756), (910, 5378), (1820, 2689)]