7225540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 18069912

約数和(自身を除く): 10844372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 101, 140, 146, 196, 202, 245, 292, 365, 404, 490, 505, 511, 707, 730, 980, 1010, 1022, 1414, 1460, 2020, 2044, 2555, 2828, 3535, 3577, 4949, 5110, 7070, 7154, 7373, 9898, 10220, 14140, 14308, 14746, 17885, 19796, 24745, 29492, 35770, 36865, 49490, 51611, 71540, 73730, 98980, 103222, 147460, 206444, 258055, 361277, 516110, 722554, 1032220, 1445108, 1806385, 3612770, 7225540]

約数ペア:

[(1, 7225540), (2, 3612770), (4, 1806385), (5, 1445108), (7, 1032220), (10, 722554), (14, 516110), (20, 361277), (28, 258055), (35, 206444), (49, 147460), (70, 103222), (73, 98980), (98, 73730), (101, 71540), (140, 51611), (146, 49490), (196, 36865), (202, 35770), (245, 29492), (292, 24745), (365, 19796), (404, 17885), (490, 14746), (505, 14308), (511, 14140), (707, 10220), (730, 9898), (980, 7373), (1010, 7154), (1022, 7070), (1414, 5110), (1460, 4949), (2020, 3577), (2044, 3535), (2555, 2828)]