254992360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1013}}^1$

素因数の和:1091

約数の個数: 128

約数和(自身を含む): 700876800

約数和(自身を除く): 445884440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 31, 35, 40, 56, 58, 62, 70, 116, 124, 140, 145, 155, 203, 217, 232, 248, 280, 290, 310, 406, 434, 580, 620, 812, 868, 899, 1013, 1015, 1085, 1160, 1240, 1624, 1736, 1798, 2026, 2030, 2170, 3596, 4052, 4060, 4340, 4495, 5065, 6293, 7091, 7192, 8104, 8120, 8680, 8990, 10130, 12586, 14182, 17980, 20260, 25172, 28364, 29377, 31403, 31465, 35455, 35960, 40520, 50344, 56728, 58754, 62806, 62930, 70910, 117508, 125612, 125860, 141820, 146885, 157015, 205639, 219821, 235016, 251224, 251720, 283640, 293770, 314030, 411278, 439642, 587540, 628060, 822556, 879284, 910687, 1028195, 1099105, 1175080, 1256120, 1645112, 1758568, 1821374, 2056390, 2198210, 3642748, 4112780, 4396420, 4553435, 6374809, 7285496, 8225560, 8792840, 9106870, 12749618, 18213740, 25499236, 31874045, 36427480, 50998472, 63748090, 127496180, 254992360]

約数ペア:

[(1, 254992360), (2, 127496180), (4, 63748090), (5, 50998472), (7, 36427480), (8, 31874045), (10, 25499236), (14, 18213740), (20, 12749618), (28, 9106870), (29, 8792840), (31, 8225560), (35, 7285496), (40, 6374809), (56, 4553435), (58, 4396420), (62, 4112780), (70, 3642748), (116, 2198210), (124, 2056390), (140, 1821374), (145, 1758568), (155, 1645112), (203, 1256120), (217, 1175080), (232, 1099105), (248, 1028195), (280, 910687), (290, 879284), (310, 822556), (406, 628060), (434, 587540), (580, 439642), (620, 411278), (812, 314030), (868, 293770), (899, 283640), (1013, 251720), (1015, 251224), (1085, 235016), (1160, 219821), (1240, 205639), (1624, 157015), (1736, 146885), (1798, 141820), (2026, 125860), (2030, 125612), (2170, 117508), (3596, 70910), (4052, 62930), (4060, 62806), (4340, 58754), (4495, 56728), (5065, 50344), (6293, 40520), (7091, 35960), (7192, 35455), (8104, 31465), (8120, 31403), (8680, 29377), (8990, 28364), (10130, 25172), (12586, 20260), (14182, 17980)]