209600172

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1693}}^1$

素因数の和:1903

約数の個数: 72

約数和(自身を含む): 561120560

約数和(自身を除く): 351520388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 181, 228, 342, 362, 543, 684, 724, 1086, 1629, 1693, 2172, 3258, 3386, 3439, 5079, 6516, 6772, 6878, 10158, 10317, 13756, 15237, 20316, 20634, 30474, 30951, 32167, 41268, 60948, 61902, 64334, 96501, 123804, 128668, 193002, 289503, 306433, 386004, 579006, 612866, 919299, 1158012, 1225732, 1838598, 2757897, 3677196, 5515794, 5822227, 11031588, 11644454, 17466681, 23288908, 34933362, 52400043, 69866724, 104800086, 209600172]

約数ペア:

[(1, 209600172), (2, 104800086), (3, 69866724), (4, 52400043), (6, 34933362), (9, 23288908), (12, 17466681), (18, 11644454), (19, 11031588), (36, 5822227), (38, 5515794), (57, 3677196), (76, 2757897), (114, 1838598), (171, 1225732), (181, 1158012), (228, 919299), (342, 612866), (362, 579006), (543, 386004), (684, 306433), (724, 289503), (1086, 193002), (1629, 128668), (1693, 123804), (2172, 96501), (3258, 64334), (3386, 61902), (3439, 60948), (5079, 41268), (6516, 32167), (6772, 30951), (6878, 30474), (10158, 20634), (10317, 20316), (13756, 15237)]