128667050

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:336

約数の個数: 96

約数和(自身を含む): 276410880

約数和(自身を除く): 147743830

約数列:

[1, 2, 5, 10, 17, 19, 25, 31, 34, 38, 50, 62, 85, 95, 155, 170, 190, 257, 310, 323, 425, 475, 514, 527, 589, 646, 775, 850, 950, 1054, 1178, 1285, 1550, 1615, 2570, 2635, 2945, 3230, 4369, 4883, 5270, 5890, 6425, 7967, 8075, 8738, 9766, 10013, 12850, 13175, 14725, 15934, 16150, 20026, 21845, 24415, 26350, 29450, 39835, 43690, 48830, 50065, 79670, 83011, 100130, 109225, 122075, 135439, 151373, 166022, 199175, 218450, 244150, 250325, 270878, 302746, 398350, 415055, 500650, 677195, 756865, 830110, 1354390, 1513730, 2075275, 2573341, 3385975, 3784325, 4150550, 5146682, 6771950, 7568650, 12866705, 25733410, 64333525, 128667050]

約数ペア:

[(1, 128667050), (2, 64333525), (5, 25733410), (10, 12866705), (17, 7568650), (19, 6771950), (25, 5146682), (31, 4150550), (34, 3784325), (38, 3385975), (50, 2573341), (62, 2075275), (85, 1513730), (95, 1354390), (155, 830110), (170, 756865), (190, 677195), (257, 500650), (310, 415055), (323, 398350), (425, 302746), (475, 270878), (514, 250325), (527, 244150), (589, 218450), (646, 199175), (775, 166022), (850, 151373), (950, 135439), (1054, 122075), (1178, 109225), (1285, 100130), (1550, 83011), (1615, 79670), (2570, 50065), (2635, 48830), (2945, 43690), (3230, 39835), (4369, 29450), (4883, 26350), (5270, 24415), (5890, 21845), (6425, 20026), (7967, 16150), (8075, 15934), (8738, 14725), (9766, 13175), (10013, 12850)]