1489736620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1\times {\mathrm{3389}}^1$

素因数の和:4138

約数の個数: 48

約数和(自身を含む): 3234873600

約数和(自身を除く): 1745136980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 709, 1418, 2836, 3389, 3545, 6778, 7090, 13556, 14180, 16945, 21979, 33890, 43958, 67780, 87916, 105059, 109895, 210118, 219790, 420236, 439580, 525295, 1050590, 2101180, 2402801, 4805602, 9611204, 12014005, 24028010, 48056020, 74486831, 148973662, 297947324, 372434155, 744868310, 1489736620]

約数ペア:

[(1, 1489736620), (2, 744868310), (4, 372434155), (5, 297947324), (10, 148973662), (20, 74486831), (31, 48056020), (62, 24028010), (124, 12014005), (155, 9611204), (310, 4805602), (620, 2402801), (709, 2101180), (1418, 1050590), (2836, 525295), (3389, 439580), (3545, 420236), (6778, 219790), (7090, 210118), (13556, 109895), (14180, 105059), (16945, 87916), (21979, 67780), (33890, 43958)]