4284420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^2$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 13847232

約数和(自身を除く): 9562812

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 101, 105, 140, 202, 210, 303, 404, 420, 505, 606, 707, 1010, 1212, 1414, 1515, 2020, 2121, 2828, 3030, 3535, 4242, 6060, 7070, 8484, 10201, 10605, 14140, 20402, 21210, 30603, 40804, 42420, 51005, 61206, 71407, 102010, 122412, 142814, 153015, 204020, 214221, 285628, 306030, 357035, 428442, 612060, 714070, 856884, 1071105, 1428140, 2142210, 4284420]

約数ペア:

[(1, 4284420), (2, 2142210), (3, 1428140), (4, 1071105), (5, 856884), (6, 714070), (7, 612060), (10, 428442), (12, 357035), (14, 306030), (15, 285628), (20, 214221), (21, 204020), (28, 153015), (30, 142814), (35, 122412), (42, 102010), (60, 71407), (70, 61206), (84, 51005), (101, 42420), (105, 40804), (140, 30603), (202, 21210), (210, 20402), (303, 14140), (404, 10605), (420, 10201), (505, 8484), (606, 7070), (707, 6060), (1010, 4242), (1212, 3535), (1414, 3030), (1515, 2828), (2020, 2121)]