138638820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3923}}^1$

素因数の和:3985

約数の個数: 96

約数和(自身を含む): 421908480

約数和(自身を除く): 283269660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 60, 62, 76, 93, 95, 114, 124, 155, 186, 190, 228, 285, 310, 372, 380, 465, 570, 589, 620, 930, 1140, 1178, 1767, 1860, 2356, 2945, 3534, 3923, 5890, 7068, 7846, 8835, 11769, 11780, 15692, 17670, 19615, 23538, 35340, 39230, 47076, 58845, 74537, 78460, 117690, 121613, 149074, 223611, 235380, 243226, 298148, 364839, 372685, 447222, 486452, 608065, 729678, 745370, 894444, 1118055, 1216130, 1459356, 1490740, 1824195, 2236110, 2310647, 2432260, 3648390, 4472220, 4621294, 6931941, 7296780, 9242588, 11553235, 13863882, 23106470, 27727764, 34659705, 46212940, 69319410, 138638820]

約数ペア:

[(1, 138638820), (2, 69319410), (3, 46212940), (4, 34659705), (5, 27727764), (6, 23106470), (10, 13863882), (12, 11553235), (15, 9242588), (19, 7296780), (20, 6931941), (30, 4621294), (31, 4472220), (38, 3648390), (57, 2432260), (60, 2310647), (62, 2236110), (76, 1824195), (93, 1490740), (95, 1459356), (114, 1216130), (124, 1118055), (155, 894444), (186, 745370), (190, 729678), (228, 608065), (285, 486452), (310, 447222), (372, 372685), (380, 364839), (465, 298148), (570, 243226), (589, 235380), (620, 223611), (930, 149074), (1140, 121613), (1178, 117690), (1767, 78460), (1860, 74537), (2356, 58845), (2945, 47076), (3534, 39230), (3923, 35340), (5890, 23538), (7068, 19615), (7846, 17670), (8835, 15692), (11769, 11780)]