208386420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4447}}^1$

素因数の和:4541

約数の個数: 96

約数和(自身を含む): 645636096

約数和(自身を除く): 437249676

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 71, 110, 132, 142, 165, 213, 220, 284, 330, 355, 426, 660, 710, 781, 852, 1065, 1420, 1562, 2130, 2343, 3124, 3905, 4260, 4447, 4686, 7810, 8894, 9372, 11715, 13341, 15620, 17788, 22235, 23430, 26682, 44470, 46860, 48917, 53364, 66705, 88940, 97834, 133410, 146751, 195668, 244585, 266820, 293502, 315737, 489170, 587004, 631474, 733755, 947211, 978340, 1262948, 1467510, 1578685, 1894422, 2935020, 3157370, 3473107, 3788844, 4736055, 6314740, 6946214, 9472110, 10419321, 13892428, 17365535, 18944220, 20838642, 34731070, 41677284, 52096605, 69462140, 104193210, 208386420]

約数ペア:

[(1, 208386420), (2, 104193210), (3, 69462140), (4, 52096605), (5, 41677284), (6, 34731070), (10, 20838642), (11, 18944220), (12, 17365535), (15, 13892428), (20, 10419321), (22, 9472110), (30, 6946214), (33, 6314740), (44, 4736055), (55, 3788844), (60, 3473107), (66, 3157370), (71, 2935020), (110, 1894422), (132, 1578685), (142, 1467510), (165, 1262948), (213, 978340), (220, 947211), (284, 733755), (330, 631474), (355, 587004), (426, 489170), (660, 315737), (710, 293502), (781, 266820), (852, 244585), (1065, 195668), (1420, 146751), (1562, 133410), (2130, 97834), (2343, 88940), (3124, 66705), (3905, 53364), (4260, 48917), (4447, 46860), (4686, 44470), (7810, 26682), (8894, 23430), (9372, 22235), (11715, 17788), (13341, 15620)]