7978950

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1$

素因数の和:191

約数の個数: 144

約数和(自身を含む): 26114400

約数和(自身を除く): 18135450

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 25, 30, 34, 35, 42, 45, 50, 51, 63, 70, 75, 85, 90, 102, 105, 119, 126, 149, 150, 153, 170, 175, 210, 225, 238, 255, 298, 306, 315, 350, 357, 425, 447, 450, 510, 525, 595, 630, 714, 745, 765, 850, 894, 1043, 1050, 1071, 1190, 1275, 1341, 1490, 1530, 1575, 1785, 2086, 2142, 2235, 2533, 2550, 2682, 2975, 3129, 3150, 3570, 3725, 3825, 4470, 5066, 5215, 5355, 5950, 6258, 6705, 7450, 7599, 7650, 8925, 9387, 10430, 10710, 11175, 12665, 13410, 15198, 15645, 17731, 17850, 18774, 22350, 22797, 25330, 26075, 26775, 31290, 33525, 35462, 37995, 45594, 46935, 52150, 53193, 53550, 63325, 67050, 75990, 78225, 88655, 93870, 106386, 113985, 126650, 156450, 159579, 177310, 189975, 227970, 234675, 265965, 319158, 379950, 443275, 469350, 531930, 569925, 797895, 886550, 1139850, 1329825, 1595790, 2659650, 3989475, 7978950]

約数ペア:

[(1, 7978950), (2, 3989475), (3, 2659650), (5, 1595790), (6, 1329825), (7, 1139850), (9, 886550), (10, 797895), (14, 569925), (15, 531930), (17, 469350), (18, 443275), (21, 379950), (25, 319158), (30, 265965), (34, 234675), (35, 227970), (42, 189975), (45, 177310), (50, 159579), (51, 156450), (63, 126650), (70, 113985), (75, 106386), (85, 93870), (90, 88655), (102, 78225), (105, 75990), (119, 67050), (126, 63325), (149, 53550), (150, 53193), (153, 52150), (170, 46935), (175, 45594), (210, 37995), (225, 35462), (238, 33525), (255, 31290), (298, 26775), (306, 26075), (315, 25330), (350, 22797), (357, 22350), (425, 18774), (447, 17850), (450, 17731), (510, 15645), (525, 15198), (595, 13410), (630, 12665), (714, 11175), (745, 10710), (765, 10430), (850, 9387), (894, 8925), (1043, 7650), (1050, 7599), (1071, 7450), (1190, 6705), (1275, 6258), (1341, 5950), (1490, 5355), (1530, 5215), (1575, 5066), (1785, 4470), (2086, 3825), (2142, 3725), (2235, 3570), (2533, 3150), (2550, 3129), (2682, 2975)]