20648889350

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{8581}}^1$

素因数の和:8778

約数の個数: 96

約数和(自身を含む): 43098804000

約数和(自身を除く): 22449914650

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 95, 149, 170, 190, 298, 323, 425, 475, 646, 745, 850, 950, 1490, 1615, 2533, 2831, 3230, 3725, 5066, 5662, 7450, 8075, 8581, 12665, 14155, 16150, 17162, 25330, 28310, 42905, 48127, 63325, 70775, 85810, 96254, 126650, 141550, 145877, 163039, 214525, 240635, 291754, 326078, 429050, 481270, 729385, 815195, 1203175, 1278569, 1458770, 1630390, 2406350, 2557138, 2771663, 3646925, 4075975, 5543326, 6392845, 7293850, 8151950, 12785690, 13858315, 21735673, 24292811, 27716630, 31964225, 43471346, 48585622, 63928450, 69291575, 108678365, 121464055, 138583150, 217356730, 242928110, 412977787, 543391825, 607320275, 825955574, 1086783650, 1214640550, 2064888935, 4129777870, 10324444675, 20648889350]

約数ペア:

[(1, 20648889350), (2, 10324444675), (5, 4129777870), (10, 2064888935), (17, 1214640550), (19, 1086783650), (25, 825955574), (34, 607320275), (38, 543391825), (50, 412977787), (85, 242928110), (95, 217356730), (149, 138583150), (170, 121464055), (190, 108678365), (298, 69291575), (323, 63928450), (425, 48585622), (475, 43471346), (646, 31964225), (745, 27716630), (850, 24292811), (950, 21735673), (1490, 13858315), (1615, 12785690), (2533, 8151950), (2831, 7293850), (3230, 6392845), (3725, 5543326), (5066, 4075975), (5662, 3646925), (7450, 2771663), (8075, 2557138), (8581, 2406350), (12665, 1630390), (14155, 1458770), (16150, 1278569), (17162, 1203175), (25330, 815195), (28310, 729385), (42905, 481270), (48127, 429050), (63325, 326078), (70775, 291754), (85810, 240635), (96254, 214525), (126650, 163039), (141550, 145877)]