19926550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{197}}^1$

素因数の和:250

約数の個数: 72

約数和(自身を含む): 45224784

約数和(自身を除く): 25298234

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 50, 70, 85, 119, 170, 175, 197, 238, 289, 350, 394, 425, 578, 595, 850, 985, 1190, 1379, 1445, 1970, 2023, 2758, 2890, 2975, 3349, 4046, 4925, 5950, 6698, 6895, 7225, 9850, 10115, 13790, 14450, 16745, 20230, 23443, 33490, 34475, 46886, 50575, 56933, 68950, 83725, 101150, 113866, 117215, 167450, 234430, 284665, 398531, 569330, 586075, 797062, 1172150, 1423325, 1992655, 2846650, 3985310, 9963275, 19926550]

約数ペア:

[(1, 19926550), (2, 9963275), (5, 3985310), (7, 2846650), (10, 1992655), (14, 1423325), (17, 1172150), (25, 797062), (34, 586075), (35, 569330), (50, 398531), (70, 284665), (85, 234430), (119, 167450), (170, 117215), (175, 113866), (197, 101150), (238, 83725), (289, 68950), (350, 56933), (394, 50575), (425, 46886), (578, 34475), (595, 33490), (850, 23443), (985, 20230), (1190, 16745), (1379, 14450), (1445, 13790), (1970, 10115), (2023, 9850), (2758, 7225), (2890, 6895), (2975, 6698), (3349, 5950), (4046, 4925)]