201889360

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{641}}^1$

素因数の和:812

約数の個数: 80

約数和(自身を含む): 489111552

約数和(自身を除く): 287222192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 127, 155, 248, 254, 310, 496, 508, 620, 635, 641, 1016, 1240, 1270, 1282, 2032, 2480, 2540, 2564, 3205, 3937, 5080, 5128, 6410, 7874, 10160, 10256, 12820, 15748, 19685, 19871, 25640, 31496, 39370, 39742, 51280, 62992, 78740, 79484, 81407, 99355, 157480, 158968, 162814, 198710, 314960, 317936, 325628, 397420, 407035, 651256, 794840, 814070, 1302512, 1589680, 1628140, 2523617, 3256280, 5047234, 6512560, 10094468, 12618085, 20188936, 25236170, 40377872, 50472340, 100944680, 201889360]

約数ペア:

[(1, 201889360), (2, 100944680), (4, 50472340), (5, 40377872), (8, 25236170), (10, 20188936), (16, 12618085), (20, 10094468), (31, 6512560), (40, 5047234), (62, 3256280), (80, 2523617), (124, 1628140), (127, 1589680), (155, 1302512), (248, 814070), (254, 794840), (310, 651256), (496, 407035), (508, 397420), (620, 325628), (635, 317936), (641, 314960), (1016, 198710), (1240, 162814), (1270, 158968), (1282, 157480), (2032, 99355), (2480, 81407), (2540, 79484), (2564, 78740), (3205, 62992), (3937, 51280), (5080, 39742), (5128, 39370), (6410, 31496), (7874, 25640), (10160, 19871), (10256, 19685), (12820, 15748)]