290477700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{16987}}^1$

素因数の和:17026

約数の個数: 108

約数和(自身を含む): 958462960

約数和(自身を除く): 667985260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 75, 76, 90, 95, 100, 114, 150, 171, 180, 190, 225, 228, 285, 300, 342, 380, 450, 475, 570, 684, 855, 900, 950, 1140, 1425, 1710, 1900, 2850, 3420, 4275, 5700, 8550, 16987, 17100, 33974, 50961, 67948, 84935, 101922, 152883, 169870, 203844, 254805, 305766, 322753, 339740, 424675, 509610, 611532, 645506, 764415, 849350, 968259, 1019220, 1274025, 1291012, 1528830, 1613765, 1698700, 1936518, 2548050, 2904777, 3057660, 3227530, 3822075, 3873036, 4841295, 5096100, 5809554, 6455060, 7644150, 8068825, 9682590, 11619108, 14523885, 15288300, 16137650, 19365180, 24206475, 29047770, 32275300, 48412950, 58095540, 72619425, 96825900, 145238850, 290477700]

約数ペア:

[(1, 290477700), (2, 145238850), (3, 96825900), (4, 72619425), (5, 58095540), (6, 48412950), (9, 32275300), (10, 29047770), (12, 24206475), (15, 19365180), (18, 16137650), (19, 15288300), (20, 14523885), (25, 11619108), (30, 9682590), (36, 8068825), (38, 7644150), (45, 6455060), (50, 5809554), (57, 5096100), (60, 4841295), (75, 3873036), (76, 3822075), (90, 3227530), (95, 3057660), (100, 2904777), (114, 2548050), (150, 1936518), (171, 1698700), (180, 1613765), (190, 1528830), (225, 1291012), (228, 1274025), (285, 1019220), (300, 968259), (342, 849350), (380, 764415), (450, 645506), (475, 611532), (570, 509610), (684, 424675), (855, 339740), (900, 322753), (950, 305766), (1140, 254805), (1425, 203844), (1710, 169870), (1900, 152883), (2850, 101922), (3420, 84935), (4275, 67948), (5700, 50961), (8550, 33974), (16987, 17100)]