190499960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1291}}^1$

素因数の和:1357

約数の個数: 128

約数和(自身を含む): 535818240

約数和(自身を除く): 345318280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 31, 34, 35, 40, 56, 62, 68, 70, 85, 119, 124, 136, 140, 155, 170, 217, 238, 248, 280, 310, 340, 434, 476, 527, 595, 620, 680, 868, 952, 1054, 1085, 1190, 1240, 1291, 1736, 2108, 2170, 2380, 2582, 2635, 3689, 4216, 4340, 4760, 5164, 5270, 6455, 7378, 8680, 9037, 10328, 10540, 12910, 14756, 18074, 18445, 21080, 21947, 25820, 29512, 36148, 36890, 40021, 43894, 45185, 51640, 72296, 73780, 80042, 87788, 90370, 109735, 147560, 153629, 160084, 175576, 180740, 200105, 219470, 280147, 307258, 320168, 361480, 400210, 438940, 560294, 614516, 680357, 768145, 800420, 877880, 1120588, 1229032, 1360714, 1400735, 1536290, 1600840, 2241176, 2721428, 2801470, 3072580, 3401785, 4762499, 5442856, 5602940, 6145160, 6803570, 9524998, 11205880, 13607140, 19049996, 23812495, 27214280, 38099992, 47624990, 95249980, 190499960]

約数ペア:

[(1, 190499960), (2, 95249980), (4, 47624990), (5, 38099992), (7, 27214280), (8, 23812495), (10, 19049996), (14, 13607140), (17, 11205880), (20, 9524998), (28, 6803570), (31, 6145160), (34, 5602940), (35, 5442856), (40, 4762499), (56, 3401785), (62, 3072580), (68, 2801470), (70, 2721428), (85, 2241176), (119, 1600840), (124, 1536290), (136, 1400735), (140, 1360714), (155, 1229032), (170, 1120588), (217, 877880), (238, 800420), (248, 768145), (280, 680357), (310, 614516), (340, 560294), (434, 438940), (476, 400210), (527, 361480), (595, 320168), (620, 307258), (680, 280147), (868, 219470), (952, 200105), (1054, 180740), (1085, 175576), (1190, 160084), (1240, 153629), (1291, 147560), (1736, 109735), (2108, 90370), (2170, 87788), (2380, 80042), (2582, 73780), (2635, 72296), (3689, 51640), (4216, 45185), (4340, 43894), (4760, 40021), (5164, 36890), (5270, 36148), (6455, 29512), (7378, 25820), (8680, 21947), (9037, 21080), (10328, 18445), (10540, 18074), (12910, 14756)]