197503740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{156749}}^1$

素因数の和:156771

約数の個数: 72

約数和(自身を含む): 684684000

約数和(自身を除く): 487180260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 156749, 313498, 470247, 626996, 783745, 940494, 1097243, 1410741, 1567490, 1880988, 2194486, 2351235, 2821482, 3134980, 3291729, 4388972, 4702470, 5486215, 5642964, 6583458, 7053705, 9404940, 9875187, 10972430, 13166916, 14107410, 16458645, 19750374, 21944860, 28214820, 32917290, 39500748, 49375935, 65834580, 98751870, 197503740]

約数ペア:

[(1, 197503740), (2, 98751870), (3, 65834580), (4, 49375935), (5, 39500748), (6, 32917290), (7, 28214820), (9, 21944860), (10, 19750374), (12, 16458645), (14, 14107410), (15, 13166916), (18, 10972430), (20, 9875187), (21, 9404940), (28, 7053705), (30, 6583458), (35, 5642964), (36, 5486215), (42, 4702470), (45, 4388972), (60, 3291729), (63, 3134980), (70, 2821482), (84, 2351235), (90, 2194486), (105, 1880988), (126, 1567490), (140, 1410741), (180, 1097243), (210, 940494), (252, 783745), (315, 626996), (420, 470247), (630, 313498), (1260, 156749)]