7242340

素因数分解:

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

素因数の和:229

約数の個数: 72

約数和(自身を含む): 18567360

約数和(自身を除く): 11325020

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 179, 238, 289, 340, 358, 476, 578, 595, 716, 895, 1156, 1190, 1253, 1445, 1790, 2023, 2380, 2506, 2890, 3043, 3580, 4046, 5012, 5780, 6086, 6265, 8092, 10115, 12172, 12530, 15215, 20230, 21301, 25060, 30430, 40460, 42602, 51731, 60860, 85204, 103462, 106505, 206924, 213010, 258655, 362117, 426020, 517310, 724234, 1034620, 1448468, 1810585, 3621170, 7242340]

約数ペア:

[(1, 7242340), (2, 3621170), (4, 1810585), (5, 1448468), (7, 1034620), (10, 724234), (14, 517310), (17, 426020), (20, 362117), (28, 258655), (34, 213010), (35, 206924), (68, 106505), (70, 103462), (85, 85204), (119, 60860), (140, 51731), (170, 42602), (179, 40460), (238, 30430), (289, 25060), (340, 21301), (358, 20230), (476, 15215), (578, 12530), (595, 12172), (716, 10115), (895, 8092), (1156, 6265), (1190, 6086), (1253, 5780), (1445, 5012), (1790, 4046), (2023, 3580), (2380, 3043), (2506, 2890)]