201100400

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:259

約数の個数: 120

約数和(自身を含む): 501780384

約数和(自身を除く): 300679984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 73, 80, 97, 100, 142, 146, 194, 200, 284, 292, 355, 365, 388, 400, 485, 568, 584, 710, 730, 776, 970, 1136, 1168, 1420, 1460, 1552, 1775, 1825, 1940, 2425, 2840, 2920, 3550, 3650, 3880, 4850, 5183, 5680, 5840, 6887, 7081, 7100, 7300, 7760, 9700, 10366, 13774, 14162, 14200, 14600, 19400, 20732, 25915, 27548, 28324, 28400, 29200, 34435, 35405, 38800, 41464, 51830, 55096, 56648, 68870, 70810, 82928, 103660, 110192, 113296, 129575, 137740, 141620, 172175, 177025, 207320, 259150, 275480, 283240, 344350, 354050, 414640, 502751, 518300, 550960, 566480, 688700, 708100, 1005502, 1036600, 1377400, 1416200, 2011004, 2073200, 2513755, 2754800, 2832400, 4022008, 5027510, 8044016, 10055020, 12568775, 20110040, 25137550, 40220080, 50275100, 100550200, 201100400]

約数ペア:

[(1, 201100400), (2, 100550200), (4, 50275100), (5, 40220080), (8, 25137550), (10, 20110040), (16, 12568775), (20, 10055020), (25, 8044016), (40, 5027510), (50, 4022008), (71, 2832400), (73, 2754800), (80, 2513755), (97, 2073200), (100, 2011004), (142, 1416200), (146, 1377400), (194, 1036600), (200, 1005502), (284, 708100), (292, 688700), (355, 566480), (365, 550960), (388, 518300), (400, 502751), (485, 414640), (568, 354050), (584, 344350), (710, 283240), (730, 275480), (776, 259150), (970, 207320), (1136, 177025), (1168, 172175), (1420, 141620), (1460, 137740), (1552, 129575), (1775, 113296), (1825, 110192), (1940, 103660), (2425, 82928), (2840, 70810), (2920, 68870), (3550, 56648), (3650, 55096), (3880, 51830), (4850, 41464), (5183, 38800), (5680, 35405), (5840, 34435), (6887, 29200), (7081, 28400), (7100, 28324), (7300, 27548), (7760, 25915), (9700, 20732), (10366, 19400), (13774, 14600), (14162, 14200)]