331878250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 744007680

約数和(自身を除く): 412129430

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 31, 34, 50, 55, 62, 85, 110, 125, 155, 170, 187, 229, 250, 275, 310, 341, 374, 425, 458, 527, 550, 682, 775, 850, 935, 1054, 1145, 1375, 1550, 1705, 1870, 2125, 2290, 2519, 2635, 2750, 3410, 3875, 3893, 4250, 4675, 5038, 5270, 5725, 5797, 7099, 7750, 7786, 8525, 9350, 11450, 11594, 12595, 13175, 14198, 17050, 19465, 23375, 25190, 26350, 28625, 28985, 35495, 38930, 42625, 42823, 46750, 57250, 57970, 62975, 65875, 70990, 78089, 85250, 85646, 97325, 120683, 125950, 131750, 144925, 156178, 177475, 194650, 214115, 241366, 289850, 314875, 354950, 390445, 428230, 486625, 603415, 629750, 724625, 780890, 887375, 973250, 1070575, 1206830, 1327513, 1449250, 1774750, 1952225, 2141150, 2655026, 3017075, 3904450, 5352875, 6034150, 6637565, 9761125, 10705750, 13275130, 15085375, 19522250, 30170750, 33187825, 66375650, 165939125, 331878250]

約数ペア:

[(1, 331878250), (2, 165939125), (5, 66375650), (10, 33187825), (11, 30170750), (17, 19522250), (22, 15085375), (25, 13275130), (31, 10705750), (34, 9761125), (50, 6637565), (55, 6034150), (62, 5352875), (85, 3904450), (110, 3017075), (125, 2655026), (155, 2141150), (170, 1952225), (187, 1774750), (229, 1449250), (250, 1327513), (275, 1206830), (310, 1070575), (341, 973250), (374, 887375), (425, 780890), (458, 724625), (527, 629750), (550, 603415), (682, 486625), (775, 428230), (850, 390445), (935, 354950), (1054, 314875), (1145, 289850), (1375, 241366), (1550, 214115), (1705, 194650), (1870, 177475), (2125, 156178), (2290, 144925), (2519, 131750), (2635, 125950), (2750, 120683), (3410, 97325), (3875, 85646), (3893, 85250), (4250, 78089), (4675, 70990), (5038, 65875), (5270, 62975), (5725, 57970), (5797, 57250), (7099, 46750), (7750, 42823), (7786, 42625), (8525, 38930), (9350, 35495), (11450, 28985), (11594, 28625), (12595, 26350), (13175, 25190), (14198, 23375), (17050, 19465)]