19997100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1307}}^1$

素因数の和:1344

約数の個数: 108

約数和(自身を含む): 66417624

約数和(自身を除く): 46420524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 30, 34, 36, 45, 50, 51, 60, 68, 75, 85, 90, 100, 102, 150, 153, 170, 180, 204, 225, 255, 300, 306, 340, 425, 450, 510, 612, 765, 850, 900, 1020, 1275, 1307, 1530, 1700, 2550, 2614, 3060, 3825, 3921, 5100, 5228, 6535, 7650, 7842, 11763, 13070, 15300, 15684, 19605, 22219, 23526, 26140, 32675, 39210, 44438, 47052, 58815, 65350, 66657, 78420, 88876, 98025, 111095, 117630, 130700, 133314, 196050, 199971, 222190, 235260, 266628, 294075, 333285, 392100, 399942, 444380, 555475, 588150, 666570, 799884, 999855, 1110950, 1176300, 1333140, 1666425, 1999710, 2221900, 3332850, 3999420, 4999275, 6665700, 9998550, 19997100]

約数ペア:

[(1, 19997100), (2, 9998550), (3, 6665700), (4, 4999275), (5, 3999420), (6, 3332850), (9, 2221900), (10, 1999710), (12, 1666425), (15, 1333140), (17, 1176300), (18, 1110950), (20, 999855), (25, 799884), (30, 666570), (34, 588150), (36, 555475), (45, 444380), (50, 399942), (51, 392100), (60, 333285), (68, 294075), (75, 266628), (85, 235260), (90, 222190), (100, 199971), (102, 196050), (150, 133314), (153, 130700), (170, 117630), (180, 111095), (204, 98025), (225, 88876), (255, 78420), (300, 66657), (306, 65350), (340, 58815), (425, 47052), (450, 44438), (510, 39210), (612, 32675), (765, 26140), (850, 23526), (900, 22219), (1020, 19605), (1275, 15684), (1307, 15300), (1530, 13070), (1700, 11763), (2550, 7842), (2614, 7650), (3060, 6535), (3825, 5228), (3921, 5100)]