28902160

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:201

約数の個数: 120

約数和(自身を含む): 80023896

約数和(自身を除く): 51121736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 73, 80, 98, 101, 112, 140, 146, 196, 202, 245, 280, 292, 365, 392, 404, 490, 505, 511, 560, 584, 707, 730, 784, 808, 980, 1010, 1022, 1168, 1414, 1460, 1616, 1960, 2020, 2044, 2555, 2828, 2920, 3535, 3577, 3920, 4040, 4088, 4949, 5110, 5656, 5840, 7070, 7154, 7373, 8080, 8176, 9898, 10220, 11312, 14140, 14308, 14746, 17885, 19796, 20440, 24745, 28280, 28616, 29492, 35770, 36865, 39592, 40880, 49490, 51611, 56560, 57232, 58984, 71540, 73730, 79184, 98980, 103222, 117968, 143080, 147460, 197960, 206444, 258055, 286160, 294920, 361277, 395920, 412888, 516110, 589840, 722554, 825776, 1032220, 1445108, 1806385, 2064440, 2890216, 3612770, 4128880, 5780432, 7225540, 14451080, 28902160]

約数ペア:

[(1, 28902160), (2, 14451080), (4, 7225540), (5, 5780432), (7, 4128880), (8, 3612770), (10, 2890216), (14, 2064440), (16, 1806385), (20, 1445108), (28, 1032220), (35, 825776), (40, 722554), (49, 589840), (56, 516110), (70, 412888), (73, 395920), (80, 361277), (98, 294920), (101, 286160), (112, 258055), (140, 206444), (146, 197960), (196, 147460), (202, 143080), (245, 117968), (280, 103222), (292, 98980), (365, 79184), (392, 73730), (404, 71540), (490, 58984), (505, 57232), (511, 56560), (560, 51611), (584, 49490), (707, 40880), (730, 39592), (784, 36865), (808, 35770), (980, 29492), (1010, 28616), (1022, 28280), (1168, 24745), (1414, 20440), (1460, 19796), (1616, 17885), (1960, 14746), (2020, 14308), (2044, 14140), (2555, 11312), (2828, 10220), (2920, 9898), (3535, 8176), (3577, 8080), (3920, 7373), (4040, 7154), (4088, 7070), (4949, 5840), (5110, 5656)]