30201260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 69128640

約数和(自身を除く): 38927380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 89, 94, 95, 178, 188, 190, 235, 356, 361, 380, 445, 470, 722, 890, 893, 940, 1444, 1691, 1780, 1786, 1805, 3382, 3572, 3610, 4183, 4465, 6764, 7220, 8366, 8455, 8930, 16732, 16910, 16967, 17860, 20915, 32129, 33820, 33934, 41830, 64258, 67868, 79477, 83660, 84835, 128516, 158954, 160645, 169670, 317908, 321290, 339340, 397385, 642580, 794770, 1510063, 1589540, 3020126, 6040252, 7550315, 15100630, 30201260]

約数ペア:

[(1, 30201260), (2, 15100630), (4, 7550315), (5, 6040252), (10, 3020126), (19, 1589540), (20, 1510063), (38, 794770), (47, 642580), (76, 397385), (89, 339340), (94, 321290), (95, 317908), (178, 169670), (188, 160645), (190, 158954), (235, 128516), (356, 84835), (361, 83660), (380, 79477), (445, 67868), (470, 64258), (722, 41830), (890, 33934), (893, 33820), (940, 32129), (1444, 20915), (1691, 17860), (1780, 16967), (1786, 16910), (1805, 16732), (3382, 8930), (3572, 8455), (3610, 8366), (4183, 7220), (4465, 6764)]