30138940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6101}}^1$

素因数の和:6142

約数の個数: 48

約数和(自身を含む): 71759520

約数和(自身を除く): 41620580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 6101, 12202, 24404, 30505, 61010, 79313, 115919, 122020, 158626, 231838, 317252, 396565, 463676, 579595, 793130, 1159190, 1506947, 1586260, 2318380, 3013894, 6027788, 7534735, 15069470, 30138940]

約数ペア:

[(1, 30138940), (2, 15069470), (4, 7534735), (5, 6027788), (10, 3013894), (13, 2318380), (19, 1586260), (20, 1506947), (26, 1159190), (38, 793130), (52, 579595), (65, 463676), (76, 396565), (95, 317252), (130, 231838), (190, 158626), (247, 122020), (260, 115919), (380, 79313), (494, 61010), (988, 30505), (1235, 24404), (2470, 12202), (4940, 6101)]