2157981700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{4423}}^1$

素因数の和:4502

約数の個数: 144

約数和(自身を含む): 5806128384

約数和(自身を除く): 3648146684

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 41, 50, 68, 70, 82, 85, 100, 119, 140, 164, 170, 175, 205, 238, 287, 340, 350, 410, 425, 476, 574, 595, 697, 700, 820, 850, 1025, 1148, 1190, 1394, 1435, 1700, 2050, 2380, 2788, 2870, 2975, 3485, 4100, 4423, 4879, 5740, 5950, 6970, 7175, 8846, 9758, 11900, 13940, 14350, 17425, 17692, 19516, 22115, 24395, 28700, 30961, 34850, 44230, 48790, 61922, 69700, 75191, 88460, 97580, 110575, 121975, 123844, 150382, 154805, 181343, 221150, 243950, 300764, 309610, 362686, 375955, 442300, 487900, 526337, 619220, 725372, 751910, 774025, 906715, 1052674, 1269401, 1503820, 1548050, 1813430, 1879775, 2105348, 2538802, 2631685, 3082831, 3096100, 3626860, 3759550, 4533575, 5077604, 5263370, 6165662, 6347005, 7519100, 9067150, 10526740, 12331324, 12694010, 13158425, 15414155, 18134300, 21579817, 25388020, 26316850, 30828310, 31735025, 43159634, 52633700, 61656620, 63470050, 77070775, 86319268, 107899085, 126940100, 154141550, 215798170, 308283100, 431596340, 539495425, 1078990850, 2157981700]

約数ペア:

[(1, 2157981700), (2, 1078990850), (4, 539495425), (5, 431596340), (7, 308283100), (10, 215798170), (14, 154141550), (17, 126940100), (20, 107899085), (25, 86319268), (28, 77070775), (34, 63470050), (35, 61656620), (41, 52633700), (50, 43159634), (68, 31735025), (70, 30828310), (82, 26316850), (85, 25388020), (100, 21579817), (119, 18134300), (140, 15414155), (164, 13158425), (170, 12694010), (175, 12331324), (205, 10526740), (238, 9067150), (287, 7519100), (340, 6347005), (350, 6165662), (410, 5263370), (425, 5077604), (476, 4533575), (574, 3759550), (595, 3626860), (697, 3096100), (700, 3082831), (820, 2631685), (850, 2538802), (1025, 2105348), (1148, 1879775), (1190, 1813430), (1394, 1548050), (1435, 1503820), (1700, 1269401), (2050, 1052674), (2380, 906715), (2788, 774025), (2870, 751910), (2975, 725372), (3485, 619220), (4100, 526337), (4423, 487900), (4879, 442300), (5740, 375955), (5950, 362686), (6970, 309610), (7175, 300764), (8846, 243950), (9758, 221150), (11900, 181343), (13940, 154805), (14350, 150382), (17425, 123844), (17692, 121975), (19516, 110575), (22115, 97580), (24395, 88460), (28700, 75191), (30961, 69700), (34850, 61922), (44230, 48790)]