28828600

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:233

約数の個数: 96

約数和(自身を含む): 72651600

約数和(自身を除く): 43823000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 61, 68, 85, 100, 122, 136, 139, 170, 200, 244, 278, 305, 340, 425, 488, 556, 610, 680, 695, 850, 1037, 1112, 1220, 1390, 1525, 1700, 2074, 2363, 2440, 2780, 3050, 3400, 3475, 4148, 4726, 5185, 5560, 6100, 6950, 8296, 8479, 9452, 10370, 11815, 12200, 13900, 16958, 18904, 20740, 23630, 25925, 27800, 33916, 41480, 42395, 47260, 51850, 59075, 67832, 84790, 94520, 103700, 118150, 144143, 169580, 207400, 211975, 236300, 288286, 339160, 423950, 472600, 576572, 720715, 847900, 1153144, 1441430, 1695800, 2882860, 3603575, 5765720, 7207150, 14414300, 28828600]

約数ペア:

[(1, 28828600), (2, 14414300), (4, 7207150), (5, 5765720), (8, 3603575), (10, 2882860), (17, 1695800), (20, 1441430), (25, 1153144), (34, 847900), (40, 720715), (50, 576572), (61, 472600), (68, 423950), (85, 339160), (100, 288286), (122, 236300), (136, 211975), (139, 207400), (170, 169580), (200, 144143), (244, 118150), (278, 103700), (305, 94520), (340, 84790), (425, 67832), (488, 59075), (556, 51850), (610, 47260), (680, 42395), (695, 41480), (850, 33916), (1037, 27800), (1112, 25925), (1220, 23630), (1390, 20740), (1525, 18904), (1700, 16958), (2074, 13900), (2363, 12200), (2440, 11815), (2780, 10370), (3050, 9452), (3400, 8479), (3475, 8296), (4148, 6950), (4726, 6100), (5185, 5560)]