31240860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{74383}}^1$

素因数の和:74402

約数の個数: 48

約数和(自身を含む): 99972096

約数和(自身を除く): 68731236

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 74383, 148766, 223149, 297532, 371915, 446298, 520681, 743830, 892596, 1041362, 1115745, 1487660, 1562043, 2082724, 2231490, 2603405, 3124086, 4462980, 5206810, 6248172, 7810215, 10413620, 15620430, 31240860]

約数ペア:

[(1, 31240860), (2, 15620430), (3, 10413620), (4, 7810215), (5, 6248172), (6, 5206810), (7, 4462980), (10, 3124086), (12, 2603405), (14, 2231490), (15, 2082724), (20, 1562043), (21, 1487660), (28, 1115745), (30, 1041362), (35, 892596), (42, 743830), (60, 520681), (70, 446298), (84, 371915), (105, 297532), (140, 223149), (210, 148766), (420, 74383)]