28838460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{577}}^1$

素因数の和:620

約数の個数: 144

約数和(自身を含む): 99628704

約数和(自身を除く): 70790244

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 49, 51, 60, 68, 70, 84, 85, 98, 102, 105, 119, 140, 147, 170, 196, 204, 210, 238, 245, 255, 294, 340, 357, 420, 476, 490, 510, 577, 588, 595, 714, 735, 833, 980, 1020, 1154, 1190, 1428, 1470, 1666, 1731, 1785, 2308, 2380, 2499, 2885, 2940, 3332, 3462, 3570, 4039, 4165, 4998, 5770, 6924, 7140, 8078, 8330, 8655, 9809, 9996, 11540, 12117, 12495, 16156, 16660, 17310, 19618, 20195, 24234, 24990, 28273, 29427, 34620, 39236, 40390, 48468, 49045, 49980, 56546, 58854, 60585, 68663, 80780, 84819, 98090, 113092, 117708, 121170, 137326, 141365, 147135, 169638, 196180, 205989, 242340, 274652, 282730, 294270, 339276, 343315, 411978, 424095, 480641, 565460, 588540, 686630, 823956, 848190, 961282, 1029945, 1373260, 1441923, 1696380, 1922564, 2059890, 2403205, 2883846, 4119780, 4806410, 5767692, 7209615, 9612820, 14419230, 28838460]

約数ペア:

[(1, 28838460), (2, 14419230), (3, 9612820), (4, 7209615), (5, 5767692), (6, 4806410), (7, 4119780), (10, 2883846), (12, 2403205), (14, 2059890), (15, 1922564), (17, 1696380), (20, 1441923), (21, 1373260), (28, 1029945), (30, 961282), (34, 848190), (35, 823956), (42, 686630), (49, 588540), (51, 565460), (60, 480641), (68, 424095), (70, 411978), (84, 343315), (85, 339276), (98, 294270), (102, 282730), (105, 274652), (119, 242340), (140, 205989), (147, 196180), (170, 169638), (196, 147135), (204, 141365), (210, 137326), (238, 121170), (245, 117708), (255, 113092), (294, 98090), (340, 84819), (357, 80780), (420, 68663), (476, 60585), (490, 58854), (510, 56546), (577, 49980), (588, 49045), (595, 48468), (714, 40390), (735, 39236), (833, 34620), (980, 29427), (1020, 28273), (1154, 24990), (1190, 24234), (1428, 20195), (1470, 19618), (1666, 17310), (1731, 16660), (1785, 16156), (2308, 12495), (2380, 12117), (2499, 11540), (2885, 9996), (2940, 9809), (3332, 8655), (3462, 8330), (3570, 8078), (4039, 7140), (4165, 6924), (4998, 5770)]