25433940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 85264704

約数和(自身を除く): 59830764

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 49, 60, 70, 82, 84, 98, 105, 123, 140, 147, 164, 196, 205, 210, 211, 245, 246, 287, 294, 410, 420, 422, 490, 492, 574, 588, 615, 633, 735, 820, 844, 861, 980, 1055, 1148, 1230, 1266, 1435, 1470, 1477, 1722, 2009, 2110, 2460, 2532, 2870, 2940, 2954, 3165, 3444, 4018, 4220, 4305, 4431, 5740, 5908, 6027, 6330, 7385, 8036, 8610, 8651, 8862, 10045, 10339, 12054, 12660, 14770, 17220, 17302, 17724, 20090, 20678, 22155, 24108, 25953, 29540, 30135, 31017, 34604, 40180, 41356, 43255, 44310, 51695, 51906, 60270, 60557, 62034, 86510, 88620, 103390, 103812, 120540, 121114, 124068, 129765, 155085, 173020, 181671, 206780, 242228, 259530, 302785, 310170, 363342, 423899, 519060, 605570, 620340, 726684, 847798, 908355, 1211140, 1271697, 1695596, 1816710, 2119495, 2543394, 3633420, 4238990, 5086788, 6358485, 8477980, 12716970, 25433940]

約数ペア:

[(1, 25433940), (2, 12716970), (3, 8477980), (4, 6358485), (5, 5086788), (6, 4238990), (7, 3633420), (10, 2543394), (12, 2119495), (14, 1816710), (15, 1695596), (20, 1271697), (21, 1211140), (28, 908355), (30, 847798), (35, 726684), (41, 620340), (42, 605570), (49, 519060), (60, 423899), (70, 363342), (82, 310170), (84, 302785), (98, 259530), (105, 242228), (123, 206780), (140, 181671), (147, 173020), (164, 155085), (196, 129765), (205, 124068), (210, 121114), (211, 120540), (245, 103812), (246, 103390), (287, 88620), (294, 86510), (410, 62034), (420, 60557), (422, 60270), (490, 51906), (492, 51695), (574, 44310), (588, 43255), (615, 41356), (633, 40180), (735, 34604), (820, 31017), (844, 30135), (861, 29540), (980, 25953), (1055, 24108), (1148, 22155), (1230, 20678), (1266, 20090), (1435, 17724), (1470, 17302), (1477, 17220), (1722, 14770), (2009, 12660), (2110, 12054), (2460, 10339), (2532, 10045), (2870, 8862), (2940, 8651), (2954, 8610), (3165, 8036), (3444, 7385), (4018, 6330), (4220, 6027), (4305, 5908), (4431, 5740)]