2019413900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{29741}}^1$

素因数の和:29859

約数の個数: 72

約数和(自身を含む): 5059946976

約数和(自身を除く): 3040533076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 97, 100, 140, 175, 194, 350, 388, 485, 679, 700, 970, 1358, 1940, 2425, 2716, 3395, 4850, 6790, 9700, 13580, 16975, 29741, 33950, 59482, 67900, 118964, 148705, 208187, 297410, 416374, 594820, 743525, 832748, 1040935, 1487050, 2081870, 2884877, 2974100, 4163740, 5204675, 5769754, 10409350, 11539508, 14424385, 20194139, 20818700, 28848770, 40388278, 57697540, 72121925, 80776556, 100970695, 144243850, 201941390, 288487700, 403882780, 504853475, 1009706950, 2019413900]

約数ペア:

[(1, 2019413900), (2, 1009706950), (4, 504853475), (5, 403882780), (7, 288487700), (10, 201941390), (14, 144243850), (20, 100970695), (25, 80776556), (28, 72121925), (35, 57697540), (50, 40388278), (70, 28848770), (97, 20818700), (100, 20194139), (140, 14424385), (175, 11539508), (194, 10409350), (350, 5769754), (388, 5204675), (485, 4163740), (679, 2974100), (700, 2884877), (970, 2081870), (1358, 1487050), (1940, 1040935), (2425, 832748), (2716, 743525), (3395, 594820), (4850, 416374), (6790, 297410), (9700, 208187), (13580, 148705), (16975, 118964), (29741, 67900), (33950, 59482)]