289314140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:339

約数の個数: 96

約数和(自身を含む): 663828480

約数和(自身を除く): 374514340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 97, 167, 188, 190, 194, 235, 334, 380, 388, 470, 485, 668, 835, 893, 940, 970, 1670, 1786, 1843, 1940, 3173, 3340, 3572, 3686, 4465, 4559, 6346, 7372, 7849, 8930, 9118, 9215, 12692, 15698, 15865, 16199, 17860, 18236, 18430, 22795, 31396, 31730, 32398, 36860, 39245, 45590, 63460, 64796, 78490, 80995, 86621, 91180, 149131, 156980, 161990, 173242, 298262, 307781, 323980, 346484, 433105, 596524, 615562, 745655, 761353, 866210, 1231124, 1491310, 1522706, 1538905, 1732420, 2982620, 3045412, 3077810, 3806765, 6155620, 7613530, 14465707, 15227060, 28931414, 57862828, 72328535, 144657070, 289314140]

約数ペア:

[(1, 289314140), (2, 144657070), (4, 72328535), (5, 57862828), (10, 28931414), (19, 15227060), (20, 14465707), (38, 7613530), (47, 6155620), (76, 3806765), (94, 3077810), (95, 3045412), (97, 2982620), (167, 1732420), (188, 1538905), (190, 1522706), (194, 1491310), (235, 1231124), (334, 866210), (380, 761353), (388, 745655), (470, 615562), (485, 596524), (668, 433105), (835, 346484), (893, 323980), (940, 307781), (970, 298262), (1670, 173242), (1786, 161990), (1843, 156980), (1940, 149131), (3173, 91180), (3340, 86621), (3572, 80995), (3686, 78490), (4465, 64796), (4559, 63460), (6346, 45590), (7372, 39245), (7849, 36860), (8930, 32398), (9118, 31730), (9215, 31396), (12692, 22795), (15698, 18430), (15865, 18236), (16199, 17860)]