2021623900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{379}}^1\times {\mathrm{1301}}^1$

素因数の和:1735

約数の個数: 72

約数和(自身を含む): 4509242640

約数和(自身を除く): 2487618740

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 379, 410, 758, 820, 1025, 1301, 1516, 1895, 2050, 2602, 3790, 4100, 5204, 6505, 7580, 9475, 13010, 15539, 18950, 26020, 31078, 32525, 37900, 53341, 62156, 65050, 77695, 106682, 130100, 155390, 213364, 266705, 310780, 388475, 493079, 533410, 776950, 986158, 1066820, 1333525, 1553900, 1972316, 2465395, 2667050, 4930790, 5334100, 9861580, 12326975, 20216239, 24653950, 40432478, 49307900, 80864956, 101081195, 202162390, 404324780, 505405975, 1010811950, 2021623900]

約数ペア:

[(1, 2021623900), (2, 1010811950), (4, 505405975), (5, 404324780), (10, 202162390), (20, 101081195), (25, 80864956), (41, 49307900), (50, 40432478), (82, 24653950), (100, 20216239), (164, 12326975), (205, 9861580), (379, 5334100), (410, 4930790), (758, 2667050), (820, 2465395), (1025, 1972316), (1301, 1553900), (1516, 1333525), (1895, 1066820), (2050, 986158), (2602, 776950), (3790, 533410), (4100, 493079), (5204, 388475), (6505, 310780), (7580, 266705), (9475, 213364), (13010, 155390), (15539, 130100), (18950, 106682), (26020, 77695), (31078, 65050), (32525, 62156), (37900, 53341)]