201977790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1$

素因数の和:486

約数の個数: 128

約数和(自身を含む): 588349440

約数和(自身を除く): 386371650

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 223, 227, 266, 285, 399, 446, 454, 570, 665, 669, 681, 798, 1115, 1135, 1330, 1338, 1362, 1561, 1589, 1995, 2230, 2270, 3122, 3178, 3345, 3405, 3990, 4237, 4313, 4683, 4767, 6690, 6810, 7805, 7945, 8474, 8626, 9366, 9534, 12711, 12939, 15610, 15890, 21185, 21565, 23415, 23835, 25422, 25878, 29659, 30191, 42370, 43130, 46830, 47670, 50621, 59318, 60382, 63555, 64695, 88977, 90573, 101242, 127110, 129390, 148295, 150955, 151863, 177954, 181146, 253105, 296590, 301910, 303726, 354347, 444885, 452865, 506210, 708694, 759315, 889770, 905730, 961799, 1063041, 1518630, 1771735, 1923598, 2126082, 2885397, 3543470, 4808995, 5315205, 5770794, 6732593, 9617990, 10630410, 13465186, 14426985, 20197779, 28853970, 33662965, 40395558, 67325930, 100988895, 201977790]

約数ペア:

[(1, 201977790), (2, 100988895), (3, 67325930), (5, 40395558), (6, 33662965), (7, 28853970), (10, 20197779), (14, 14426985), (15, 13465186), (19, 10630410), (21, 9617990), (30, 6732593), (35, 5770794), (38, 5315205), (42, 4808995), (57, 3543470), (70, 2885397), (95, 2126082), (105, 1923598), (114, 1771735), (133, 1518630), (190, 1063041), (210, 961799), (223, 905730), (227, 889770), (266, 759315), (285, 708694), (399, 506210), (446, 452865), (454, 444885), (570, 354347), (665, 303726), (669, 301910), (681, 296590), (798, 253105), (1115, 181146), (1135, 177954), (1330, 151863), (1338, 150955), (1362, 148295), (1561, 129390), (1589, 127110), (1995, 101242), (2230, 90573), (2270, 88977), (3122, 64695), (3178, 63555), (3345, 60382), (3405, 59318), (3990, 50621), (4237, 47670), (4313, 46830), (4683, 43130), (4767, 42370), (6690, 30191), (6810, 29659), (7805, 25878), (7945, 25422), (8474, 23835), (8626, 23415), (9366, 21565), (9534, 21185), (12711, 15890), (12939, 15610)]