388989860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1907}}^1$

素因数の和:2001

約数の個数: 96

約数和(自身を含む): 984711168

約数和(自身を除く): 595721308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 47, 62, 70, 94, 124, 140, 155, 188, 217, 235, 310, 329, 434, 470, 620, 658, 868, 940, 1085, 1316, 1457, 1645, 1907, 2170, 2914, 3290, 3814, 4340, 5828, 6580, 7285, 7628, 9535, 10199, 13349, 14570, 19070, 20398, 26698, 29140, 38140, 40796, 50995, 53396, 59117, 66745, 89629, 101990, 118234, 133490, 179258, 203980, 236468, 266980, 295585, 358516, 413819, 448145, 591170, 627403, 827638, 896290, 1182340, 1254806, 1655276, 1792580, 2069095, 2509612, 2778499, 3137015, 4138190, 5556998, 6274030, 8276380, 11113996, 12548060, 13892495, 19449493, 27784990, 38898986, 55569980, 77797972, 97247465, 194494930, 388989860]

約数ペア:

[(1, 388989860), (2, 194494930), (4, 97247465), (5, 77797972), (7, 55569980), (10, 38898986), (14, 27784990), (20, 19449493), (28, 13892495), (31, 12548060), (35, 11113996), (47, 8276380), (62, 6274030), (70, 5556998), (94, 4138190), (124, 3137015), (140, 2778499), (155, 2509612), (188, 2069095), (217, 1792580), (235, 1655276), (310, 1254806), (329, 1182340), (434, 896290), (470, 827638), (620, 627403), (658, 591170), (868, 448145), (940, 413819), (1085, 358516), (1316, 295585), (1457, 266980), (1645, 236468), (1907, 203980), (2170, 179258), (2914, 133490), (3290, 118234), (3814, 101990), (4340, 89629), (5828, 66745), (6580, 59117), (7285, 53396), (7628, 50995), (9535, 40796), (10199, 38140), (13349, 29140), (14570, 26698), (19070, 20398)]