99767920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:879

約数の個数: 120

約数和(自身を含む): 278875008

約数和(自身を除く): 179107088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 821, 868, 980, 1085, 1240, 1519, 1642, 1736, 1960, 2170, 2480, 3038, 3284, 3472, 3920, 4105, 4340, 5747, 6076, 6568, 7595, 8210, 8680, 11494, 12152, 13136, 15190, 16420, 17360, 22988, 24304, 25451, 28735, 30380, 32840, 40229, 45976, 50902, 57470, 60760, 65680, 80458, 91952, 101804, 114940, 121520, 127255, 160916, 178157, 201145, 203608, 229880, 254510, 321832, 356314, 402290, 407216, 459760, 509020, 643664, 712628, 804580, 890785, 1018040, 1247099, 1425256, 1609160, 1781570, 2036080, 2494198, 2850512, 3218320, 3563140, 4988396, 6235495, 7126280, 9976792, 12470990, 14252560, 19953584, 24941980, 49883960, 99767920]

約数ペア:

[(1, 99767920), (2, 49883960), (4, 24941980), (5, 19953584), (7, 14252560), (8, 12470990), (10, 9976792), (14, 7126280), (16, 6235495), (20, 4988396), (28, 3563140), (31, 3218320), (35, 2850512), (40, 2494198), (49, 2036080), (56, 1781570), (62, 1609160), (70, 1425256), (80, 1247099), (98, 1018040), (112, 890785), (124, 804580), (140, 712628), (155, 643664), (196, 509020), (217, 459760), (245, 407216), (248, 402290), (280, 356314), (310, 321832), (392, 254510), (434, 229880), (490, 203608), (496, 201145), (560, 178157), (620, 160916), (784, 127255), (821, 121520), (868, 114940), (980, 101804), (1085, 91952), (1240, 80458), (1519, 65680), (1642, 60760), (1736, 57470), (1960, 50902), (2170, 45976), (2480, 40229), (3038, 32840), (3284, 30380), (3472, 28735), (3920, 25451), (4105, 24304), (4340, 22988), (5747, 17360), (6076, 16420), (6568, 15190), (7595, 13136), (8210, 12152), (8680, 11494)]