172883900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{257}}^1$

素因数の和:340

約数の個数: 108

約数和(自身を含む): 444752784

約数和(自身を除く): 271868884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 140, 155, 175, 217, 257, 310, 350, 434, 514, 620, 700, 775, 868, 961, 1028, 1085, 1285, 1550, 1799, 1922, 2170, 2570, 3100, 3598, 3844, 4340, 4805, 5140, 5425, 6425, 6727, 7196, 7967, 8995, 9610, 10850, 12850, 13454, 15934, 17990, 19220, 21700, 24025, 25700, 26908, 31868, 33635, 35980, 39835, 44975, 48050, 55769, 67270, 79670, 89950, 96100, 111538, 134540, 159340, 168175, 179900, 199175, 223076, 246977, 278845, 336350, 398350, 493954, 557690, 672700, 796700, 987908, 1115380, 1234885, 1394225, 1728839, 2469770, 2788450, 3457678, 4939540, 5576900, 6174425, 6915356, 8644195, 12348850, 17288390, 24697700, 34576780, 43220975, 86441950, 172883900]

約数ペア:

[(1, 172883900), (2, 86441950), (4, 43220975), (5, 34576780), (7, 24697700), (10, 17288390), (14, 12348850), (20, 8644195), (25, 6915356), (28, 6174425), (31, 5576900), (35, 4939540), (50, 3457678), (62, 2788450), (70, 2469770), (100, 1728839), (124, 1394225), (140, 1234885), (155, 1115380), (175, 987908), (217, 796700), (257, 672700), (310, 557690), (350, 493954), (434, 398350), (514, 336350), (620, 278845), (700, 246977), (775, 223076), (868, 199175), (961, 179900), (1028, 168175), (1085, 159340), (1285, 134540), (1550, 111538), (1799, 96100), (1922, 89950), (2170, 79670), (2570, 67270), (3100, 55769), (3598, 48050), (3844, 44975), (4340, 39835), (4805, 35980), (5140, 33635), (5425, 31868), (6425, 26908), (6727, 25700), (7196, 24025), (7967, 21700), (8995, 19220), (9610, 17990), (10850, 15934), (12850, 13454)]