401023455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 822804480

約数和(自身を除く): 421781025

約数列:

[1, 3, 5, 7, 15, 17, 21, 29, 35, 51, 61, 85, 87, 105, 119, 127, 145, 183, 203, 255, 305, 357, 381, 427, 435, 493, 595, 609, 635, 889, 915, 1015, 1037, 1281, 1479, 1769, 1785, 1905, 2135, 2159, 2465, 2667, 3045, 3111, 3451, 3683, 4445, 5185, 5307, 6405, 6477, 7259, 7395, 7747, 8845, 10353, 10795, 11049, 12383, 13335, 15113, 15555, 17255, 18415, 21777, 23241, 25781, 26535, 30073, 32385, 36295, 37149, 38735, 45339, 51765, 54229, 55245, 61915, 62611, 75565, 77343, 90219, 108885, 116205, 128905, 131699, 150365, 162687, 185745, 187833, 210511, 224663, 226695, 271145, 313055, 386715, 395097, 438277, 451095, 631533, 658495, 673989, 813435, 921893, 939165, 1052555, 1123315, 1314831, 1572641, 1975485, 2191385, 2765679, 3157665, 3369945, 3819271, 4609465, 4717923, 6574155, 7863205, 11457813, 13828395, 19096355, 23589615, 26734897, 57289065, 80204691, 133674485, 401023455]

約数ペア:

[(1, 401023455), (3, 133674485), (5, 80204691), (7, 57289065), (15, 26734897), (17, 23589615), (21, 19096355), (29, 13828395), (35, 11457813), (51, 7863205), (61, 6574155), (85, 4717923), (87, 4609465), (105, 3819271), (119, 3369945), (127, 3157665), (145, 2765679), (183, 2191385), (203, 1975485), (255, 1572641), (305, 1314831), (357, 1123315), (381, 1052555), (427, 939165), (435, 921893), (493, 813435), (595, 673989), (609, 658495), (635, 631533), (889, 451095), (915, 438277), (1015, 395097), (1037, 386715), (1281, 313055), (1479, 271145), (1769, 226695), (1785, 224663), (1905, 210511), (2135, 187833), (2159, 185745), (2465, 162687), (2667, 150365), (3045, 131699), (3111, 128905), (3451, 116205), (3683, 108885), (4445, 90219), (5185, 77343), (5307, 75565), (6405, 62611), (6477, 61915), (7259, 55245), (7395, 54229), (7747, 51765), (8845, 45339), (10353, 38735), (10795, 37149), (11049, 36295), (12383, 32385), (13335, 30073), (15113, 26535), (15555, 25781), (17255, 23241), (18415, 21777)]