251542710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{509}}^1$

素因数の和:575

約数の個数: 144

約数和(自身を含む): 732747600

約数和(自身を除く): 481204890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 19, 30, 34, 38, 45, 51, 57, 85, 90, 95, 102, 114, 153, 170, 171, 190, 255, 285, 289, 306, 323, 342, 509, 510, 570, 578, 646, 765, 855, 867, 969, 1018, 1445, 1527, 1530, 1615, 1710, 1734, 1938, 2545, 2601, 2890, 2907, 3054, 3230, 4335, 4581, 4845, 5090, 5202, 5491, 5814, 7635, 8653, 8670, 9162, 9671, 9690, 10982, 13005, 14535, 15270, 16473, 17306, 19342, 22905, 25959, 26010, 27455, 29013, 29070, 32946, 43265, 45810, 48355, 49419, 51918, 54910, 58026, 77877, 82365, 86530, 87039, 96710, 98838, 129795, 145065, 147101, 155754, 164407, 164730, 174078, 247095, 259590, 290130, 294202, 328814, 389385, 435195, 441303, 493221, 494190, 735505, 778770, 822035, 870390, 882606, 986442, 1323909, 1471010, 1479663, 1644070, 2206515, 2466105, 2647818, 2794919, 2959326, 4413030, 4932210, 5589838, 6619545, 7398315, 8384757, 13239090, 13974595, 14796630, 16769514, 25154271, 27949190, 41923785, 50308542, 83847570, 125771355, 251542710]

約数ペア:

[(1, 251542710), (2, 125771355), (3, 83847570), (5, 50308542), (6, 41923785), (9, 27949190), (10, 25154271), (15, 16769514), (17, 14796630), (18, 13974595), (19, 13239090), (30, 8384757), (34, 7398315), (38, 6619545), (45, 5589838), (51, 4932210), (57, 4413030), (85, 2959326), (90, 2794919), (95, 2647818), (102, 2466105), (114, 2206515), (153, 1644070), (170, 1479663), (171, 1471010), (190, 1323909), (255, 986442), (285, 882606), (289, 870390), (306, 822035), (323, 778770), (342, 735505), (509, 494190), (510, 493221), (570, 441303), (578, 435195), (646, 389385), (765, 328814), (855, 294202), (867, 290130), (969, 259590), (1018, 247095), (1445, 174078), (1527, 164730), (1530, 164407), (1615, 155754), (1710, 147101), (1734, 145065), (1938, 129795), (2545, 98838), (2601, 96710), (2890, 87039), (2907, 86530), (3054, 82365), (3230, 77877), (4335, 58026), (4581, 54910), (4845, 51918), (5090, 49419), (5202, 48355), (5491, 45810), (5814, 43265), (7635, 32946), (8653, 29070), (8670, 29013), (9162, 27455), (9671, 26010), (9690, 25959), (10982, 22905), (13005, 19342), (14535, 17306), (15270, 16473)]