208070820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{701}}^1$

素因数の和:830

約数の個数: 144

約数和(自身を含む): 676127088

約数和(自身を除く): 468056268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 97, 102, 153, 170, 180, 194, 204, 255, 291, 306, 340, 388, 485, 510, 582, 612, 701, 765, 873, 970, 1020, 1164, 1402, 1455, 1530, 1649, 1746, 1940, 2103, 2804, 2910, 3060, 3298, 3492, 3505, 4206, 4365, 4947, 5820, 6309, 6596, 7010, 8245, 8412, 8730, 9894, 10515, 11917, 12618, 14020, 14841, 16490, 17460, 19788, 21030, 23834, 24735, 25236, 29682, 31545, 32980, 35751, 42060, 47668, 49470, 59364, 59585, 63090, 67997, 71502, 74205, 98940, 107253, 119170, 126180, 135994, 143004, 148410, 178755, 203991, 214506, 238340, 271988, 296820, 339985, 357510, 407982, 429012, 536265, 611973, 679970, 715020, 815964, 1019955, 1072530, 1155949, 1223946, 1359940, 2039910, 2145060, 2311898, 2447892, 3059865, 3467847, 4079820, 4623796, 5779745, 6119730, 6935694, 10403541, 11559490, 12239460, 13871388, 17339235, 20807082, 23118980, 34678470, 41614164, 52017705, 69356940, 104035410, 208070820]

約数ペア:

[(1, 208070820), (2, 104035410), (3, 69356940), (4, 52017705), (5, 41614164), (6, 34678470), (9, 23118980), (10, 20807082), (12, 17339235), (15, 13871388), (17, 12239460), (18, 11559490), (20, 10403541), (30, 6935694), (34, 6119730), (36, 5779745), (45, 4623796), (51, 4079820), (60, 3467847), (68, 3059865), (85, 2447892), (90, 2311898), (97, 2145060), (102, 2039910), (153, 1359940), (170, 1223946), (180, 1155949), (194, 1072530), (204, 1019955), (255, 815964), (291, 715020), (306, 679970), (340, 611973), (388, 536265), (485, 429012), (510, 407982), (582, 357510), (612, 339985), (701, 296820), (765, 271988), (873, 238340), (970, 214506), (1020, 203991), (1164, 178755), (1402, 148410), (1455, 143004), (1530, 135994), (1649, 126180), (1746, 119170), (1940, 107253), (2103, 98940), (2804, 74205), (2910, 71502), (3060, 67997), (3298, 63090), (3492, 59585), (3505, 59364), (4206, 49470), (4365, 47668), (4947, 42060), (5820, 35751), (6309, 32980), (6596, 31545), (7010, 29682), (8245, 25236), (8412, 24735), (8730, 23834), (9894, 21030), (10515, 19788), (11917, 17460), (12618, 16490), (14020, 14841)]