280530184580

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{487}}^1\times {\mathrm{1433}}^1$

素因数の和:2229

約数の個数: 96

約数和(自身を含む): 599581785600

約数和(自身を除く): 319051601020

約数列:

[1, 2, 4, 5, 10, 20, 101, 199, 202, 398, 404, 487, 505, 796, 974, 995, 1010, 1433, 1948, 1990, 2020, 2435, 2866, 3980, 4870, 5732, 7165, 9740, 14330, 20099, 28660, 40198, 49187, 80396, 96913, 98374, 100495, 144733, 193826, 196748, 200990, 245935, 285167, 289466, 387652, 401980, 484565, 491870, 570334, 578932, 697871, 723665, 969130, 983740, 1140668, 1395742, 1425835, 1447330, 1938260, 2791484, 2851670, 2894660, 3489355, 5703340, 6978710, 9788213, 13957420, 19576426, 28801867, 39152852, 48941065, 57603734, 70484971, 97882130, 115207468, 138876329, 140969942, 144009335, 195764260, 277752658, 281939884, 288018670, 352424855, 555505316, 576037340, 694381645, 704849710, 1388763290, 1409699420, 2777526580, 14026509229, 28053018458, 56106036916, 70132546145, 140265092290, 280530184580]

約数ペア:

[(1, 280530184580), (2, 140265092290), (4, 70132546145), (5, 56106036916), (10, 28053018458), (20, 14026509229), (101, 2777526580), (199, 1409699420), (202, 1388763290), (398, 704849710), (404, 694381645), (487, 576037340), (505, 555505316), (796, 352424855), (974, 288018670), (995, 281939884), (1010, 277752658), (1433, 195764260), (1948, 144009335), (1990, 140969942), (2020, 138876329), (2435, 115207468), (2866, 97882130), (3980, 70484971), (4870, 57603734), (5732, 48941065), (7165, 39152852), (9740, 28801867), (14330, 19576426), (20099, 13957420), (28660, 9788213), (40198, 6978710), (49187, 5703340), (80396, 3489355), (96913, 2894660), (98374, 2851670), (100495, 2791484), (144733, 1938260), (193826, 1447330), (196748, 1425835), (200990, 1395742), (245935, 1140668), (285167, 983740), (289466, 969130), (387652, 723665), (401980, 697871), (484565, 578932), (491870, 570334)]