2130100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 5624640

約数和(自身を除く): 3494540

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 85, 100, 119, 140, 170, 175, 179, 238, 340, 350, 358, 425, 476, 595, 700, 716, 850, 895, 1190, 1253, 1700, 1790, 2380, 2506, 2975, 3043, 3580, 4475, 5012, 5950, 6086, 6265, 8950, 11900, 12172, 12530, 15215, 17900, 21301, 25060, 30430, 31325, 42602, 60860, 62650, 76075, 85204, 106505, 125300, 152150, 213010, 304300, 426020, 532525, 1065050, 2130100]

約数ペア:

[(1, 2130100), (2, 1065050), (4, 532525), (5, 426020), (7, 304300), (10, 213010), (14, 152150), (17, 125300), (20, 106505), (25, 85204), (28, 76075), (34, 62650), (35, 60860), (50, 42602), (68, 31325), (70, 30430), (85, 25060), (100, 21301), (119, 17900), (140, 15215), (170, 12530), (175, 12172), (179, 11900), (238, 8950), (340, 6265), (350, 6086), (358, 5950), (425, 5012), (476, 4475), (595, 3580), (700, 3043), (716, 2975), (850, 2506), (895, 2380), (1190, 1790), (1253, 1700)]