28837146400

素因数分解:

$2^5\times 5^2\times {\mathrm{971}}^1\times {\mathrm{37123}}^1$

素因数の和:38114

約数の個数: 72

約数和(自身を含む): 70473083184

約数和(自身を除く): 41635936784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 971, 1942, 3884, 4855, 7768, 9710, 15536, 19420, 24275, 31072, 37123, 38840, 48550, 74246, 77680, 97100, 148492, 155360, 185615, 194200, 296984, 371230, 388400, 593968, 742460, 776800, 928075, 1187936, 1484920, 1856150, 2969840, 3712300, 5939680, 7424600, 14849200, 29698400, 36046433, 72092866, 144185732, 180232165, 288371464, 360464330, 576742928, 720928660, 901160825, 1153485856, 1441857320, 1802321650, 2883714640, 3604643300, 5767429280, 7209286600, 14418573200, 28837146400]

約数ペア:

[(1, 28837146400), (2, 14418573200), (4, 7209286600), (5, 5767429280), (8, 3604643300), (10, 2883714640), (16, 1802321650), (20, 1441857320), (25, 1153485856), (32, 901160825), (40, 720928660), (50, 576742928), (80, 360464330), (100, 288371464), (160, 180232165), (200, 144185732), (400, 72092866), (800, 36046433), (971, 29698400), (1942, 14849200), (3884, 7424600), (4855, 5939680), (7768, 3712300), (9710, 2969840), (15536, 1856150), (19420, 1484920), (24275, 1187936), (31072, 928075), (37123, 776800), (38840, 742460), (48550, 593968), (74246, 388400), (77680, 371230), (97100, 296984), (148492, 194200), (155360, 185615)]