621300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 1909600

約数和(自身を除く): 1288300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 75, 76, 95, 100, 109, 114, 150, 190, 218, 228, 285, 300, 327, 380, 436, 475, 545, 570, 654, 950, 1090, 1140, 1308, 1425, 1635, 1900, 2071, 2180, 2725, 2850, 3270, 4142, 5450, 5700, 6213, 6540, 8175, 8284, 10355, 10900, 12426, 16350, 20710, 24852, 31065, 32700, 41420, 51775, 62130, 103550, 124260, 155325, 207100, 310650, 621300]

約数ペア:

[(1, 621300), (2, 310650), (3, 207100), (4, 155325), (5, 124260), (6, 103550), (10, 62130), (12, 51775), (15, 41420), (19, 32700), (20, 31065), (25, 24852), (30, 20710), (38, 16350), (50, 12426), (57, 10900), (60, 10355), (75, 8284), (76, 8175), (95, 6540), (100, 6213), (109, 5700), (114, 5450), (150, 4142), (190, 3270), (218, 2850), (228, 2725), (285, 2180), (300, 2071), (327, 1900), (380, 1635), (436, 1425), (475, 1308), (545, 1140), (570, 1090), (654, 950)]