172121380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{15619}}^1$

素因数の和:15676

約数の個数: 48

約数和(自身を含む): 393624000

約数和(自身を除く): 221502620

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 2204, 2755, 5510, 11020, 15619, 31238, 62476, 78095, 156190, 296761, 312380, 452951, 593522, 905902, 1187044, 1483805, 1811804, 2264755, 2967610, 4529510, 5935220, 8606069, 9059020, 17212138, 34424276, 43030345, 86060690, 172121380]

約数ペア:

[(1, 172121380), (2, 86060690), (4, 43030345), (5, 34424276), (10, 17212138), (19, 9059020), (20, 8606069), (29, 5935220), (38, 4529510), (58, 2967610), (76, 2264755), (95, 1811804), (116, 1483805), (145, 1187044), (190, 905902), (290, 593522), (380, 452951), (551, 312380), (580, 296761), (1102, 156190), (2204, 78095), (2755, 62476), (5510, 31238), (11020, 15619)]