987519260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{761}}^1$

素因数の和:844

約数の個数: 192

約数和(自身を含む): 2752856064

約数和(自身を除く): 1765336804

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 31, 35, 46, 52, 62, 65, 70, 91, 92, 115, 124, 130, 140, 155, 161, 182, 217, 230, 260, 299, 310, 322, 364, 403, 434, 455, 460, 598, 620, 644, 713, 761, 805, 806, 868, 910, 1085, 1196, 1426, 1495, 1522, 1610, 1612, 1820, 2015, 2093, 2170, 2821, 2852, 2990, 3044, 3220, 3565, 3805, 4030, 4186, 4340, 4991, 5327, 5642, 5980, 7130, 7610, 8060, 8372, 9269, 9893, 9982, 10465, 10654, 11284, 14105, 14260, 15220, 17503, 18538, 19786, 19964, 20930, 21308, 23591, 24955, 26635, 28210, 35006, 37076, 39572, 41860, 46345, 47182, 49465, 49910, 53270, 56420, 64883, 69251, 70012, 87515, 92690, 94364, 98930, 99820, 106540, 117955, 122521, 129766, 138502, 165137, 175030, 185380, 197860, 227539, 235910, 245042, 259532, 277004, 306683, 324415, 330274, 346255, 350060, 455078, 471820, 490084, 542593, 612605, 613366, 648830, 660548, 692510, 825685, 910156, 1085186, 1137695, 1225210, 1226732, 1297660, 1385020, 1533415, 1592773, 1651370, 2146781, 2170372, 2275390, 2450420, 2712965, 3066830, 3185546, 3302740, 3798151, 4293562, 4550780, 5425930, 6133660, 6371092, 7053709, 7596302, 7963865, 8587124, 10733905, 10851860, 14107418, 15192604, 15927730, 18990755, 21467810, 28214836, 31855460, 35268545, 37981510, 42935620, 49375963, 70537090, 75963020, 98751926, 141074180, 197503852, 246879815, 493759630, 987519260]

約数ペア:

[(1, 987519260), (2, 493759630), (4, 246879815), (5, 197503852), (7, 141074180), (10, 98751926), (13, 75963020), (14, 70537090), (20, 49375963), (23, 42935620), (26, 37981510), (28, 35268545), (31, 31855460), (35, 28214836), (46, 21467810), (52, 18990755), (62, 15927730), (65, 15192604), (70, 14107418), (91, 10851860), (92, 10733905), (115, 8587124), (124, 7963865), (130, 7596302), (140, 7053709), (155, 6371092), (161, 6133660), (182, 5425930), (217, 4550780), (230, 4293562), (260, 3798151), (299, 3302740), (310, 3185546), (322, 3066830), (364, 2712965), (403, 2450420), (434, 2275390), (455, 2170372), (460, 2146781), (598, 1651370), (620, 1592773), (644, 1533415), (713, 1385020), (761, 1297660), (805, 1226732), (806, 1225210), (868, 1137695), (910, 1085186), (1085, 910156), (1196, 825685), (1426, 692510), (1495, 660548), (1522, 648830), (1610, 613366), (1612, 612605), (1820, 542593), (2015, 490084), (2093, 471820), (2170, 455078), (2821, 350060), (2852, 346255), (2990, 330274), (3044, 324415), (3220, 306683), (3565, 277004), (3805, 259532), (4030, 245042), (4186, 235910), (4340, 227539), (4991, 197860), (5327, 185380), (5642, 175030), (5980, 165137), (7130, 138502), (7610, 129766), (8060, 122521), (8372, 117955), (9269, 106540), (9893, 99820), (9982, 98930), (10465, 94364), (10654, 92690), (11284, 87515), (14105, 70012), (14260, 69251), (15220, 64883), (17503, 56420), (18538, 53270), (19786, 49910), (19964, 49465), (20930, 47182), (21308, 46345), (23591, 41860), (24955, 39572), (26635, 37076), (28210, 35006)]