1628900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 4374720

約数和(自身を除く): 2745820

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 179, 182, 260, 325, 350, 358, 364, 455, 650, 700, 716, 895, 910, 1253, 1300, 1790, 1820, 2275, 2327, 2506, 3580, 4475, 4550, 4654, 5012, 6265, 8950, 9100, 9308, 11635, 12530, 16289, 17900, 23270, 25060, 31325, 32578, 46540, 58175, 62650, 65156, 81445, 116350, 125300, 162890, 232700, 325780, 407225, 814450, 1628900]

約数ペア:

[(1, 1628900), (2, 814450), (4, 407225), (5, 325780), (7, 232700), (10, 162890), (13, 125300), (14, 116350), (20, 81445), (25, 65156), (26, 62650), (28, 58175), (35, 46540), (50, 32578), (52, 31325), (65, 25060), (70, 23270), (91, 17900), (100, 16289), (130, 12530), (140, 11635), (175, 9308), (179, 9100), (182, 8950), (260, 6265), (325, 5012), (350, 4654), (358, 4550), (364, 4475), (455, 3580), (650, 2506), (700, 2327), (716, 2275), (895, 1820), (910, 1790), (1253, 1300)]