398899320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{683}}^1$

素因数の和:885

約数の個数: 128

約数和(自身を含む): 1244989440

約数和(自身を除く): 846090120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 157, 186, 248, 310, 314, 372, 465, 471, 620, 628, 683, 744, 785, 930, 942, 1240, 1256, 1366, 1570, 1860, 1884, 2049, 2355, 2732, 3140, 3415, 3720, 3768, 4098, 4710, 4867, 5464, 6280, 6830, 8196, 9420, 9734, 10245, 13660, 14601, 16392, 18840, 19468, 20490, 21173, 24335, 27320, 29202, 38936, 40980, 42346, 48670, 58404, 63519, 73005, 81960, 84692, 97340, 105865, 107231, 116808, 127038, 146010, 169384, 194680, 211730, 214462, 254076, 292020, 317595, 321693, 423460, 428924, 508152, 536155, 584040, 635190, 643386, 846920, 857848, 1072310, 1270380, 1286772, 1608465, 2144620, 2540760, 2573544, 3216930, 3324161, 4289240, 6433860, 6648322, 9972483, 12867720, 13296644, 16620805, 19944966, 26593288, 33241610, 39889932, 49862415, 66483220, 79779864, 99724830, 132966440, 199449660, 398899320]

約数ペア:

[(1, 398899320), (2, 199449660), (3, 132966440), (4, 99724830), (5, 79779864), (6, 66483220), (8, 49862415), (10, 39889932), (12, 33241610), (15, 26593288), (20, 19944966), (24, 16620805), (30, 13296644), (31, 12867720), (40, 9972483), (60, 6648322), (62, 6433860), (93, 4289240), (120, 3324161), (124, 3216930), (155, 2573544), (157, 2540760), (186, 2144620), (248, 1608465), (310, 1286772), (314, 1270380), (372, 1072310), (465, 857848), (471, 846920), (620, 643386), (628, 635190), (683, 584040), (744, 536155), (785, 508152), (930, 428924), (942, 423460), (1240, 321693), (1256, 317595), (1366, 292020), (1570, 254076), (1860, 214462), (1884, 211730), (2049, 194680), (2355, 169384), (2732, 146010), (3140, 127038), (3415, 116808), (3720, 107231), (3768, 105865), (4098, 97340), (4710, 84692), (4867, 81960), (5464, 73005), (6280, 63519), (6830, 58404), (8196, 48670), (9420, 42346), (9734, 40980), (10245, 38936), (13660, 29202), (14601, 27320), (16392, 24335), (18840, 21173), (19468, 20490)]