21836102450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:421

約数の個数: 144

約数和(自身を含む): 44817339840

約数和(自身を除く): 22981237390

約数列:

[1, 2, 5, 10, 19, 25, 29, 38, 50, 58, 95, 145, 151, 181, 190, 290, 302, 362, 475, 551, 725, 755, 841, 905, 950, 1102, 1450, 1510, 1682, 1810, 2755, 2869, 3439, 3775, 4205, 4379, 4525, 5249, 5510, 5738, 6878, 7550, 8410, 8758, 9050, 10498, 13775, 14345, 15979, 17195, 21025, 21895, 26245, 27331, 27550, 28690, 31958, 34390, 42050, 43790, 52490, 54662, 71725, 79895, 83201, 85975, 99731, 109475, 126991, 131225, 136655, 143450, 152221, 159790, 166402, 171950, 199462, 218950, 253982, 262450, 273310, 304442, 399475, 416005, 498655, 519289, 634955, 683275, 761105, 792599, 798950, 832010, 997310, 1038578, 1269910, 1366550, 1522210, 1585198, 2080025, 2412829, 2493275, 2596445, 2892199, 3174775, 3805525, 3962995, 4160050, 4825658, 4986550, 5192890, 5784398, 6349550, 7611050, 7925990, 12064145, 12982225, 14460995, 15059381, 19814975, 22985371, 24128290, 25964450, 28921990, 30118762, 39629950, 45970742, 60320725, 72304975, 75296905, 114926855, 120641450, 144609950, 150593810, 229853710, 376484525, 436722049, 574634275, 752969050, 873444098, 1149268550, 2183610245, 4367220490, 10918051225, 21836102450]

約数ペア:

[(1, 21836102450), (2, 10918051225), (5, 4367220490), (10, 2183610245), (19, 1149268550), (25, 873444098), (29, 752969050), (38, 574634275), (50, 436722049), (58, 376484525), (95, 229853710), (145, 150593810), (151, 144609950), (181, 120641450), (190, 114926855), (290, 75296905), (302, 72304975), (362, 60320725), (475, 45970742), (551, 39629950), (725, 30118762), (755, 28921990), (841, 25964450), (905, 24128290), (950, 22985371), (1102, 19814975), (1450, 15059381), (1510, 14460995), (1682, 12982225), (1810, 12064145), (2755, 7925990), (2869, 7611050), (3439, 6349550), (3775, 5784398), (4205, 5192890), (4379, 4986550), (4525, 4825658), (5249, 4160050), (5510, 3962995), (5738, 3805525), (6878, 3174775), (7550, 2892199), (8410, 2596445), (8758, 2493275), (9050, 2412829), (10498, 2080025), (13775, 1585198), (14345, 1522210), (15979, 1366550), (17195, 1269910), (21025, 1038578), (21895, 997310), (26245, 832010), (27331, 798950), (27550, 792599), (28690, 761105), (31958, 683275), (34390, 634955), (42050, 519289), (43790, 498655), (52490, 416005), (54662, 399475), (71725, 304442), (79895, 273310), (83201, 262450), (85975, 253982), (99731, 218950), (109475, 199462), (126991, 171950), (131225, 166402), (136655, 159790), (143450, 152221)]