420119440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:297

約数の個数: 160

約数和(自身を含む): 1105929216

約数和(自身を除く): 685809776

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 83, 104, 124, 130, 155, 157, 166, 208, 248, 260, 310, 314, 332, 403, 415, 496, 520, 620, 628, 664, 785, 806, 830, 1040, 1079, 1240, 1256, 1328, 1570, 1612, 1660, 2015, 2041, 2158, 2480, 2512, 2573, 3140, 3224, 3320, 4030, 4082, 4316, 4867, 5146, 5395, 6280, 6448, 6640, 8060, 8164, 8632, 9734, 10205, 10292, 10790, 12560, 12865, 13031, 16120, 16328, 17264, 19468, 20410, 20584, 21580, 24335, 25730, 26062, 32240, 32656, 33449, 38936, 40820, 41168, 43160, 48670, 51460, 52124, 63271, 65155, 66898, 77872, 81640, 86320, 97340, 102920, 104248, 126542, 130310, 133796, 163280, 167245, 169403, 194680, 205840, 208496, 253084, 260620, 267592, 316355, 334490, 338806, 389360, 403961, 506168, 521240, 535184, 632710, 668980, 677612, 807922, 847015, 1012336, 1042480, 1265420, 1337960, 1355224, 1615844, 1694030, 2019805, 2530840, 2675920, 2710448, 3231688, 3388060, 4039610, 5061680, 5251493, 6463376, 6776120, 8079220, 10502986, 13552240, 16158440, 21005972, 26257465, 32316880, 42011944, 52514930, 84023888, 105029860, 210059720, 420119440]

約数ペア:

[(1, 420119440), (2, 210059720), (4, 105029860), (5, 84023888), (8, 52514930), (10, 42011944), (13, 32316880), (16, 26257465), (20, 21005972), (26, 16158440), (31, 13552240), (40, 10502986), (52, 8079220), (62, 6776120), (65, 6463376), (80, 5251493), (83, 5061680), (104, 4039610), (124, 3388060), (130, 3231688), (155, 2710448), (157, 2675920), (166, 2530840), (208, 2019805), (248, 1694030), (260, 1615844), (310, 1355224), (314, 1337960), (332, 1265420), (403, 1042480), (415, 1012336), (496, 847015), (520, 807922), (620, 677612), (628, 668980), (664, 632710), (785, 535184), (806, 521240), (830, 506168), (1040, 403961), (1079, 389360), (1240, 338806), (1256, 334490), (1328, 316355), (1570, 267592), (1612, 260620), (1660, 253084), (2015, 208496), (2041, 205840), (2158, 194680), (2480, 169403), (2512, 167245), (2573, 163280), (3140, 133796), (3224, 130310), (3320, 126542), (4030, 104248), (4082, 102920), (4316, 97340), (4867, 86320), (5146, 81640), (5395, 77872), (6280, 66898), (6448, 65155), (6640, 63271), (8060, 52124), (8164, 51460), (8632, 48670), (9734, 43160), (10205, 41168), (10292, 40820), (10790, 38936), (12560, 33449), (12865, 32656), (13031, 32240), (16120, 26062), (16328, 25730), (17264, 24335), (19468, 21580), (20410, 20584)]