128032900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 286301120

約数和(自身を除く): 158268220

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 139, 151, 244, 278, 302, 305, 556, 604, 610, 695, 755, 1220, 1390, 1510, 1525, 2780, 3020, 3050, 3475, 3775, 6100, 6950, 7550, 8479, 9211, 13900, 15100, 16958, 18422, 20989, 33916, 36844, 41978, 42395, 46055, 83956, 84790, 92110, 104945, 169580, 184220, 209890, 211975, 230275, 419780, 423950, 460550, 524725, 847900, 921100, 1049450, 1280329, 2098900, 2560658, 5121316, 6401645, 12803290, 25606580, 32008225, 64016450, 128032900]

約数ペア:

[(1, 128032900), (2, 64016450), (4, 32008225), (5, 25606580), (10, 12803290), (20, 6401645), (25, 5121316), (50, 2560658), (61, 2098900), (100, 1280329), (122, 1049450), (139, 921100), (151, 847900), (244, 524725), (278, 460550), (302, 423950), (305, 419780), (556, 230275), (604, 211975), (610, 209890), (695, 184220), (755, 169580), (1220, 104945), (1390, 92110), (1510, 84790), (1525, 83956), (2780, 46055), (3020, 42395), (3050, 41978), (3475, 36844), (3775, 33916), (6100, 20989), (6950, 18422), (7550, 16958), (8479, 15100), (9211, 13900)]