1964014760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{311}}^1$

素因数の和:627

約数の個数: 128

約数和(自身を含む): 4840093440

約数和(自身を除く): 2876078680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 68, 74, 85, 136, 148, 170, 185, 251, 296, 311, 340, 370, 502, 622, 629, 680, 740, 1004, 1244, 1255, 1258, 1480, 1555, 2008, 2488, 2510, 2516, 3110, 3145, 4267, 5020, 5032, 5287, 6220, 6290, 8534, 9287, 10040, 10574, 11507, 12440, 12580, 17068, 18574, 21148, 21335, 23014, 25160, 26435, 34136, 37148, 42296, 42670, 46028, 46435, 52870, 57535, 74296, 78061, 85340, 92056, 92870, 105740, 115070, 156122, 157879, 170680, 185740, 195619, 211480, 230140, 312244, 315758, 371480, 390305, 391238, 460280, 624488, 631516, 780610, 782476, 789395, 978095, 1263032, 1327037, 1561220, 1564952, 1578790, 1956190, 2654074, 2888257, 3122440, 3157580, 3912380, 5308148, 5776514, 6315160, 6635185, 7824760, 10616296, 11553028, 13270370, 14441285, 23106056, 26540740, 28882570, 49100369, 53081480, 57765140, 98200738, 115530280, 196401476, 245501845, 392802952, 491003690, 982007380, 1964014760]

約数ペア:

[(1, 1964014760), (2, 982007380), (4, 491003690), (5, 392802952), (8, 245501845), (10, 196401476), (17, 115530280), (20, 98200738), (34, 57765140), (37, 53081480), (40, 49100369), (68, 28882570), (74, 26540740), (85, 23106056), (136, 14441285), (148, 13270370), (170, 11553028), (185, 10616296), (251, 7824760), (296, 6635185), (311, 6315160), (340, 5776514), (370, 5308148), (502, 3912380), (622, 3157580), (629, 3122440), (680, 2888257), (740, 2654074), (1004, 1956190), (1244, 1578790), (1255, 1564952), (1258, 1561220), (1480, 1327037), (1555, 1263032), (2008, 978095), (2488, 789395), (2510, 782476), (2516, 780610), (3110, 631516), (3145, 624488), (4267, 460280), (5020, 391238), (5032, 390305), (5287, 371480), (6220, 315758), (6290, 312244), (8534, 230140), (9287, 211480), (10040, 195619), (10574, 185740), (11507, 170680), (12440, 157879), (12580, 156122), (17068, 115070), (18574, 105740), (21148, 92870), (21335, 92056), (23014, 85340), (25160, 78061), (26435, 74296), (34136, 57535), (37148, 52870), (42296, 46435), (42670, 46028)]