55108900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1$

素因数の和:470

約数の個数: 144

約数和(自身を含む): 158239872

約数和(自身を除く): 103130972

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 25, 28, 34, 35, 44, 50, 55, 68, 70, 77, 85, 100, 110, 119, 140, 154, 170, 175, 187, 220, 238, 275, 308, 340, 350, 374, 385, 421, 425, 476, 550, 595, 700, 748, 770, 842, 850, 935, 1100, 1190, 1309, 1540, 1684, 1700, 1870, 1925, 2105, 2380, 2618, 2947, 2975, 3740, 3850, 4210, 4631, 4675, 5236, 5894, 5950, 6545, 7157, 7700, 8420, 9262, 9350, 10525, 11788, 11900, 13090, 14314, 14735, 18524, 18700, 21050, 23155, 26180, 28628, 29470, 32417, 32725, 35785, 42100, 46310, 50099, 58940, 64834, 65450, 71570, 73675, 78727, 92620, 100198, 115775, 129668, 130900, 143140, 147350, 157454, 162085, 178925, 200396, 231550, 250495, 294700, 314908, 324170, 357850, 393635, 463100, 500990, 551089, 648340, 715700, 787270, 810425, 1001980, 1102178, 1252475, 1574540, 1620850, 1968175, 2204356, 2504950, 2755445, 3241700, 3936350, 5009900, 5510890, 7872700, 11021780, 13777225, 27554450, 55108900]

約数ペア:

[(1, 55108900), (2, 27554450), (4, 13777225), (5, 11021780), (7, 7872700), (10, 5510890), (11, 5009900), (14, 3936350), (17, 3241700), (20, 2755445), (22, 2504950), (25, 2204356), (28, 1968175), (34, 1620850), (35, 1574540), (44, 1252475), (50, 1102178), (55, 1001980), (68, 810425), (70, 787270), (77, 715700), (85, 648340), (100, 551089), (110, 500990), (119, 463100), (140, 393635), (154, 357850), (170, 324170), (175, 314908), (187, 294700), (220, 250495), (238, 231550), (275, 200396), (308, 178925), (340, 162085), (350, 157454), (374, 147350), (385, 143140), (421, 130900), (425, 129668), (476, 115775), (550, 100198), (595, 92620), (700, 78727), (748, 73675), (770, 71570), (842, 65450), (850, 64834), (935, 58940), (1100, 50099), (1190, 46310), (1309, 42100), (1540, 35785), (1684, 32725), (1700, 32417), (1870, 29470), (1925, 28628), (2105, 26180), (2380, 23155), (2618, 21050), (2947, 18700), (2975, 18524), (3740, 14735), (3850, 14314), (4210, 13090), (4631, 11900), (4675, 11788), (5236, 10525), (5894, 9350), (5950, 9262), (6545, 8420), (7157, 7700)]