309854440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{1061}}^1$

素因数の和:1235

約数の個数: 96

約数和(自身を含む): 817209000

約数和(自身を除く): 507354560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 149, 196, 245, 280, 298, 392, 490, 596, 745, 980, 1043, 1061, 1192, 1490, 1960, 2086, 2122, 2980, 4172, 4244, 5215, 5305, 5960, 7301, 7427, 8344, 8488, 10430, 10610, 14602, 14854, 20860, 21220, 29204, 29708, 36505, 37135, 41720, 42440, 51989, 58408, 59416, 73010, 74270, 103978, 146020, 148540, 158089, 207956, 259945, 292040, 297080, 316178, 415912, 519890, 632356, 790445, 1039780, 1106623, 1264712, 1580890, 2079560, 2213246, 3161780, 4426492, 5533115, 6323560, 7746361, 8852984, 11066230, 15492722, 22132460, 30985444, 38731805, 44264920, 61970888, 77463610, 154927220, 309854440]

約数ペア:

[(1, 309854440), (2, 154927220), (4, 77463610), (5, 61970888), (7, 44264920), (8, 38731805), (10, 30985444), (14, 22132460), (20, 15492722), (28, 11066230), (35, 8852984), (40, 7746361), (49, 6323560), (56, 5533115), (70, 4426492), (98, 3161780), (140, 2213246), (149, 2079560), (196, 1580890), (245, 1264712), (280, 1106623), (298, 1039780), (392, 790445), (490, 632356), (596, 519890), (745, 415912), (980, 316178), (1043, 297080), (1061, 292040), (1192, 259945), (1490, 207956), (1960, 158089), (2086, 148540), (2122, 146020), (2980, 103978), (4172, 74270), (4244, 73010), (5215, 59416), (5305, 58408), (5960, 51989), (7301, 42440), (7427, 41720), (8344, 37135), (8488, 36505), (10430, 29708), (10610, 29204), (14602, 21220), (14854, 20860)]