79839140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{727}}^1$

素因数の和:789

約数の個数: 72

約数和(自身を含む): 187736640

約数和(自身を除く): 107897500

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 289, 323, 340, 380, 578, 646, 727, 1156, 1292, 1445, 1454, 1615, 2890, 2908, 3230, 3635, 5491, 5780, 6460, 7270, 10982, 12359, 13813, 14540, 21964, 24718, 27455, 27626, 49436, 54910, 55252, 61795, 69065, 109820, 123590, 138130, 210103, 234821, 247180, 276260, 420206, 469642, 840412, 939284, 1050515, 1174105, 2101030, 2348210, 3991957, 4202060, 4696420, 7983914, 15967828, 19959785, 39919570, 79839140]

約数ペア:

[(1, 79839140), (2, 39919570), (4, 19959785), (5, 15967828), (10, 7983914), (17, 4696420), (19, 4202060), (20, 3991957), (34, 2348210), (38, 2101030), (68, 1174105), (76, 1050515), (85, 939284), (95, 840412), (170, 469642), (190, 420206), (289, 276260), (323, 247180), (340, 234821), (380, 210103), (578, 138130), (646, 123590), (727, 109820), (1156, 69065), (1292, 61795), (1445, 55252), (1454, 54910), (1615, 49436), (2890, 27626), (2908, 27455), (3230, 24718), (3635, 21964), (5491, 14540), (5780, 13813), (6460, 12359), (7270, 10982)]