201784200920

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1361}}^1\times {\mathrm{60763}}^1$

素因数の和:62196

約数の個数: 64

約数和(自身を含む): 461803969440

約数和(自身を除く): 260019768520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 1361, 2440, 2722, 5444, 6805, 10888, 13610, 27220, 54440, 60763, 83021, 121526, 166042, 243052, 303815, 332084, 415105, 486104, 607630, 664168, 830210, 1215260, 1660420, 2430520, 3320840, 3706543, 7413086, 14826172, 18532715, 29652344, 37065430, 74130860, 82698443, 148261720, 165396886, 330793772, 413492215, 661587544, 826984430, 1653968860, 3307937720, 5044605023, 10089210046, 20178420092, 25223025115, 40356840184, 50446050230, 100892100460, 201784200920]

約数ペア:

[(1, 201784200920), (2, 100892100460), (4, 50446050230), (5, 40356840184), (8, 25223025115), (10, 20178420092), (20, 10089210046), (40, 5044605023), (61, 3307937720), (122, 1653968860), (244, 826984430), (305, 661587544), (488, 413492215), (610, 330793772), (1220, 165396886), (1361, 148261720), (2440, 82698443), (2722, 74130860), (5444, 37065430), (6805, 29652344), (10888, 18532715), (13610, 14826172), (27220, 7413086), (54440, 3706543), (60763, 3320840), (83021, 2430520), (121526, 1660420), (166042, 1215260), (243052, 830210), (303815, 664168), (332084, 607630), (415105, 486104)]