399355320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{36571}}^1$

素因数の和:36605

約数の個数: 128

約数和(自身を含む): 1474583040

約数和(自身を除く): 1075227720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 36571, 73142, 109713, 146284, 182855, 219426, 255997, 292568, 365710, 438852, 475423, 511994, 548565, 731420, 767991, 877704, 950846, 1023988, 1097130, 1279985, 1426269, 1462840, 1535982, 1901692, 2047976, 2194260, 2377115, 2559970, 2852538, 3071964, 3327961, 3803384, 3839955, 4388520, 4754230, 5119940, 5705076, 6143928, 6655922, 7131345, 7679910, 9508460, 9983883, 10239880, 11410152, 13311844, 14262690, 15359820, 16639805, 19016920, 19967766, 26623688, 28525380, 30719640, 33279610, 39935532, 49919415, 57050760, 66559220, 79871064, 99838830, 133118440, 199677660, 399355320]

約数ペア:

[(1, 399355320), (2, 199677660), (3, 133118440), (4, 99838830), (5, 79871064), (6, 66559220), (7, 57050760), (8, 49919415), (10, 39935532), (12, 33279610), (13, 30719640), (14, 28525380), (15, 26623688), (20, 19967766), (21, 19016920), (24, 16639805), (26, 15359820), (28, 14262690), (30, 13311844), (35, 11410152), (39, 10239880), (40, 9983883), (42, 9508460), (52, 7679910), (56, 7131345), (60, 6655922), (65, 6143928), (70, 5705076), (78, 5119940), (84, 4754230), (91, 4388520), (104, 3839955), (105, 3803384), (120, 3327961), (130, 3071964), (140, 2852538), (156, 2559970), (168, 2377115), (182, 2194260), (195, 2047976), (210, 1901692), (260, 1535982), (273, 1462840), (280, 1426269), (312, 1279985), (364, 1097130), (390, 1023988), (420, 950846), (455, 877704), (520, 767991), (546, 731420), (728, 548565), (780, 511994), (840, 475423), (910, 438852), (1092, 365710), (1365, 292568), (1560, 255997), (1820, 219426), (2184, 182855), (2730, 146284), (3640, 109713), (5460, 73142), (10920, 36571)]