2017880180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:561

約数の個数: 96

約数和(自身を含む): 4539024000

約数和(自身を除く): 2521143820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 149, 157, 190, 227, 298, 314, 380, 454, 596, 628, 745, 785, 908, 1135, 1490, 1570, 2270, 2831, 2980, 2983, 3140, 4313, 4540, 5662, 5966, 8626, 11324, 11932, 14155, 14915, 17252, 21565, 23393, 28310, 29830, 33823, 35639, 43130, 46786, 56620, 59660, 67646, 71278, 86260, 93572, 116965, 135292, 142556, 169115, 178195, 233930, 338230, 356390, 444467, 467860, 642637, 676460, 677141, 712780, 888934, 1285274, 1354282, 1777868, 2222335, 2570548, 2708564, 3213185, 3385705, 4444670, 5310211, 6426370, 6771410, 8889340, 10620422, 12852740, 13542820, 21240844, 26551055, 53102110, 100894009, 106204220, 201788018, 403576036, 504470045, 1008940090, 2017880180]

約数ペア:

[(1, 2017880180), (2, 1008940090), (4, 504470045), (5, 403576036), (10, 201788018), (19, 106204220), (20, 100894009), (38, 53102110), (76, 26551055), (95, 21240844), (149, 13542820), (157, 12852740), (190, 10620422), (227, 8889340), (298, 6771410), (314, 6426370), (380, 5310211), (454, 4444670), (596, 3385705), (628, 3213185), (745, 2708564), (785, 2570548), (908, 2222335), (1135, 1777868), (1490, 1354282), (1570, 1285274), (2270, 888934), (2831, 712780), (2980, 677141), (2983, 676460), (3140, 642637), (4313, 467860), (4540, 444467), (5662, 356390), (5966, 338230), (8626, 233930), (11324, 178195), (11932, 169115), (14155, 142556), (14915, 135292), (17252, 116965), (21565, 93572), (23393, 86260), (28310, 71278), (29830, 67646), (33823, 59660), (35639, 56620), (43130, 46786)]