221457400

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:409

約数の個数: 96

約数和(自身を含む): 534340800

約数和(自身を除く): 312883400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 113, 164, 200, 205, 226, 239, 328, 410, 452, 478, 565, 820, 904, 956, 1025, 1130, 1195, 1640, 1912, 2050, 2260, 2390, 2825, 4100, 4520, 4633, 4780, 5650, 5975, 8200, 9266, 9560, 9799, 11300, 11950, 18532, 19598, 22600, 23165, 23900, 27007, 37064, 39196, 46330, 47800, 48995, 54014, 78392, 92660, 97990, 108028, 115825, 135035, 185320, 195980, 216056, 231650, 244975, 270070, 391960, 463300, 489950, 540140, 675175, 926600, 979900, 1080280, 1107287, 1350350, 1959800, 2214574, 2700700, 4429148, 5401400, 5536435, 8858296, 11072870, 22145740, 27682175, 44291480, 55364350, 110728700, 221457400]

約数ペア:

[(1, 221457400), (2, 110728700), (4, 55364350), (5, 44291480), (8, 27682175), (10, 22145740), (20, 11072870), (25, 8858296), (40, 5536435), (41, 5401400), (50, 4429148), (82, 2700700), (100, 2214574), (113, 1959800), (164, 1350350), (200, 1107287), (205, 1080280), (226, 979900), (239, 926600), (328, 675175), (410, 540140), (452, 489950), (478, 463300), (565, 391960), (820, 270070), (904, 244975), (956, 231650), (1025, 216056), (1130, 195980), (1195, 185320), (1640, 135035), (1912, 115825), (2050, 108028), (2260, 97990), (2390, 92660), (2825, 78392), (4100, 54014), (4520, 48995), (4633, 47800), (4780, 46330), (5650, 39196), (5975, 37064), (8200, 27007), (9266, 23900), (9560, 23165), (9799, 22600), (11300, 19598), (11950, 18532)]