519886250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:178

約数の個数: 120

約数和(自身を含む): 1111369248

約数和(自身を除く): 591482998

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 107, 115, 125, 130, 169, 214, 230, 250, 299, 325, 338, 535, 575, 598, 625, 650, 845, 1070, 1150, 1250, 1391, 1495, 1625, 1690, 2461, 2675, 2782, 2875, 2990, 3250, 3887, 4225, 4922, 5350, 5750, 6955, 7475, 7774, 8125, 8450, 12305, 13375, 13910, 14375, 14950, 16250, 18083, 19435, 21125, 24610, 26750, 28750, 31993, 34775, 36166, 37375, 38870, 42250, 61525, 63986, 66875, 69550, 74750, 90415, 97175, 105625, 123050, 133750, 159965, 173875, 180830, 186875, 194350, 211250, 307625, 319930, 347750, 373750, 415909, 452075, 485875, 615250, 799825, 831818, 869375, 904150, 971750, 1538125, 1599650, 1738750, 2079545, 2260375, 2429375, 3076250, 3999125, 4159090, 4520750, 4858750, 7998250, 10397725, 11301875, 19995625, 20795450, 22603750, 39991250, 51988625, 103977250, 259943125, 519886250]

約数ペア:

[(1, 519886250), (2, 259943125), (5, 103977250), (10, 51988625), (13, 39991250), (23, 22603750), (25, 20795450), (26, 19995625), (46, 11301875), (50, 10397725), (65, 7998250), (107, 4858750), (115, 4520750), (125, 4159090), (130, 3999125), (169, 3076250), (214, 2429375), (230, 2260375), (250, 2079545), (299, 1738750), (325, 1599650), (338, 1538125), (535, 971750), (575, 904150), (598, 869375), (625, 831818), (650, 799825), (845, 615250), (1070, 485875), (1150, 452075), (1250, 415909), (1391, 373750), (1495, 347750), (1625, 319930), (1690, 307625), (2461, 211250), (2675, 194350), (2782, 186875), (2875, 180830), (2990, 173875), (3250, 159965), (3887, 133750), (4225, 123050), (4922, 105625), (5350, 97175), (5750, 90415), (6955, 74750), (7475, 69550), (7774, 66875), (8125, 63986), (8450, 61525), (12305, 42250), (13375, 38870), (13910, 37375), (14375, 36166), (14950, 34775), (16250, 31993), (18083, 28750), (19435, 26750), (21125, 24610)]