691818690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:388

約数の個数: 128

約数和(自身を含む): 1803098880

約数和(自身を除く): 1111280190

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 61, 95, 101, 114, 122, 183, 190, 197, 202, 285, 303, 305, 366, 394, 505, 570, 591, 606, 610, 915, 985, 1010, 1159, 1182, 1515, 1830, 1919, 1970, 2318, 2955, 3030, 3477, 3743, 3838, 5757, 5795, 5910, 6161, 6954, 7486, 9595, 11229, 11514, 11590, 12017, 12322, 17385, 18483, 18715, 19190, 19897, 22458, 24034, 28785, 30805, 34770, 36051, 36966, 37430, 39794, 56145, 57570, 59691, 60085, 61610, 72102, 92415, 99485, 112290, 117059, 119382, 120170, 180255, 184830, 198970, 228323, 234118, 298455, 351177, 360510, 378043, 456646, 585295, 596910, 684969, 702354, 756086, 1134129, 1141615, 1170590, 1213717, 1369938, 1755885, 1890215, 2268258, 2283230, 2427434, 3424845, 3511770, 3641151, 3780430, 5670645, 6068585, 6849690, 7282302, 11341290, 12137170, 18205755, 23060623, 36411510, 46121246, 69181869, 115303115, 138363738, 230606230, 345909345, 691818690]

約数ペア:

[(1, 691818690), (2, 345909345), (3, 230606230), (5, 138363738), (6, 115303115), (10, 69181869), (15, 46121246), (19, 36411510), (30, 23060623), (38, 18205755), (57, 12137170), (61, 11341290), (95, 7282302), (101, 6849690), (114, 6068585), (122, 5670645), (183, 3780430), (190, 3641151), (197, 3511770), (202, 3424845), (285, 2427434), (303, 2283230), (305, 2268258), (366, 1890215), (394, 1755885), (505, 1369938), (570, 1213717), (591, 1170590), (606, 1141615), (610, 1134129), (915, 756086), (985, 702354), (1010, 684969), (1159, 596910), (1182, 585295), (1515, 456646), (1830, 378043), (1919, 360510), (1970, 351177), (2318, 298455), (2955, 234118), (3030, 228323), (3477, 198970), (3743, 184830), (3838, 180255), (5757, 120170), (5795, 119382), (5910, 117059), (6161, 112290), (6954, 99485), (7486, 92415), (9595, 72102), (11229, 61610), (11514, 60085), (11590, 59691), (12017, 57570), (12322, 56145), (17385, 39794), (18483, 37430), (18715, 36966), (19190, 36051), (19897, 34770), (22458, 30805), (24034, 28785)]