1657716940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1163}}^1$

素因数の和:1244

約数の個数: 144

約数和(自身を含む): 4161346560

約数和(自身を除く): 2503629620

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 31, 38, 44, 55, 62, 76, 95, 110, 121, 124, 155, 190, 209, 220, 242, 310, 341, 380, 418, 484, 589, 605, 620, 682, 836, 1045, 1163, 1178, 1210, 1364, 1705, 2090, 2299, 2326, 2356, 2420, 2945, 3410, 3751, 4180, 4598, 4652, 5815, 5890, 6479, 6820, 7502, 9196, 11495, 11630, 11780, 12793, 12958, 15004, 18755, 22097, 22990, 23260, 25586, 25916, 32395, 36053, 37510, 44194, 45980, 51172, 63965, 64790, 71269, 72106, 75020, 88388, 110485, 127930, 129580, 140723, 142538, 144212, 180265, 220970, 243067, 255860, 281446, 285076, 356345, 360530, 396583, 441940, 486134, 562892, 685007, 703615, 712690, 721060, 793166, 972268, 1215335, 1370014, 1407230, 1425380, 1586332, 1982915, 2430670, 2673737, 2740028, 2814460, 3425035, 3965830, 4362413, 4861340, 5347474, 6850070, 7535077, 7931660, 8724826, 10694948, 13368685, 13700140, 15070154, 17449652, 21812065, 26737370, 30140308, 37675385, 43624130, 53474740, 75350770, 82885847, 87248260, 150701540, 165771694, 331543388, 414429235, 828858470, 1657716940]

約数ペア:

[(1, 1657716940), (2, 828858470), (4, 414429235), (5, 331543388), (10, 165771694), (11, 150701540), (19, 87248260), (20, 82885847), (22, 75350770), (31, 53474740), (38, 43624130), (44, 37675385), (55, 30140308), (62, 26737370), (76, 21812065), (95, 17449652), (110, 15070154), (121, 13700140), (124, 13368685), (155, 10694948), (190, 8724826), (209, 7931660), (220, 7535077), (242, 6850070), (310, 5347474), (341, 4861340), (380, 4362413), (418, 3965830), (484, 3425035), (589, 2814460), (605, 2740028), (620, 2673737), (682, 2430670), (836, 1982915), (1045, 1586332), (1163, 1425380), (1178, 1407230), (1210, 1370014), (1364, 1215335), (1705, 972268), (2090, 793166), (2299, 721060), (2326, 712690), (2356, 703615), (2420, 685007), (2945, 562892), (3410, 486134), (3751, 441940), (4180, 396583), (4598, 360530), (4652, 356345), (5815, 285076), (5890, 281446), (6479, 255860), (6820, 243067), (7502, 220970), (9196, 180265), (11495, 144212), (11630, 142538), (11780, 140723), (12793, 129580), (12958, 127930), (15004, 110485), (18755, 88388), (22097, 75020), (22990, 72106), (23260, 71269), (25586, 64790), (25916, 63965), (32395, 51172), (36053, 45980), (37510, 44194)]