210528890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:264

約数の個数: 128

約数和(自身を含む): 479872512

約数和(自身を除く): 269343622

約数列:

[1, 2, 5, 10, 11, 13, 22, 23, 26, 37, 46, 55, 65, 74, 110, 115, 130, 143, 173, 185, 230, 253, 286, 299, 346, 370, 407, 481, 506, 598, 715, 814, 851, 865, 962, 1265, 1430, 1495, 1702, 1730, 1903, 2035, 2249, 2405, 2530, 2990, 3289, 3806, 3979, 4070, 4255, 4498, 4810, 5291, 6401, 6578, 7958, 8510, 9361, 9515, 10582, 11063, 11245, 12802, 16445, 18722, 19030, 19895, 22126, 22490, 24739, 26455, 32005, 32890, 39790, 43769, 46805, 49478, 51727, 52910, 55315, 64010, 70411, 83213, 87538, 93610, 103454, 110630, 121693, 123695, 140822, 147223, 166426, 218845, 243386, 247390, 258635, 294446, 352055, 416065, 437690, 517270, 568997, 608465, 704110, 736115, 832130, 915343, 1137994, 1216930, 1472230, 1619453, 1830686, 1913899, 2844985, 3238906, 3827798, 4576715, 5689970, 8097265, 9153430, 9569495, 16194530, 19138990, 21052889, 42105778, 105264445, 210528890]

約数ペア:

[(1, 210528890), (2, 105264445), (5, 42105778), (10, 21052889), (11, 19138990), (13, 16194530), (22, 9569495), (23, 9153430), (26, 8097265), (37, 5689970), (46, 4576715), (55, 3827798), (65, 3238906), (74, 2844985), (110, 1913899), (115, 1830686), (130, 1619453), (143, 1472230), (173, 1216930), (185, 1137994), (230, 915343), (253, 832130), (286, 736115), (299, 704110), (346, 608465), (370, 568997), (407, 517270), (481, 437690), (506, 416065), (598, 352055), (715, 294446), (814, 258635), (851, 247390), (865, 243386), (962, 218845), (1265, 166426), (1430, 147223), (1495, 140822), (1702, 123695), (1730, 121693), (1903, 110630), (2035, 103454), (2249, 93610), (2405, 87538), (2530, 83213), (2990, 70411), (3289, 64010), (3806, 55315), (3979, 52910), (4070, 51727), (4255, 49478), (4498, 46805), (4810, 43769), (5291, 39790), (6401, 32890), (6578, 32005), (7958, 26455), (8510, 24739), (9361, 22490), (9515, 22126), (10582, 19895), (11063, 19030), (11245, 18722), (12802, 16445)]