23399740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:108

約数の個数: 144

約数和(自身を含む): 64931328

約数和(自身を除く): 41531588

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 43, 46, 52, 65, 70, 86, 91, 92, 115, 130, 140, 161, 169, 172, 182, 215, 230, 260, 299, 301, 322, 338, 364, 430, 455, 460, 559, 598, 602, 644, 676, 805, 845, 860, 910, 989, 1118, 1183, 1196, 1204, 1495, 1505, 1610, 1690, 1820, 1978, 2093, 2236, 2366, 2795, 2990, 3010, 3220, 3380, 3887, 3913, 3956, 4186, 4732, 4945, 5590, 5915, 5980, 6020, 6923, 7267, 7774, 7826, 8372, 9890, 10465, 11180, 11830, 12857, 13846, 14534, 15548, 15652, 19435, 19565, 19780, 20930, 23660, 25714, 27209, 27692, 29068, 34615, 36335, 38870, 39130, 41860, 50869, 51428, 54418, 64285, 69230, 72670, 77740, 78260, 89999, 101738, 108836, 128570, 136045, 138460, 145340, 167141, 179998, 203476, 254345, 257140, 272090, 334282, 359996, 449995, 508690, 544180, 668564, 835705, 899990, 1017380, 1169987, 1671410, 1799980, 2339974, 3342820, 4679948, 5849935, 11699870, 23399740]

約数ペア:

[(1, 23399740), (2, 11699870), (4, 5849935), (5, 4679948), (7, 3342820), (10, 2339974), (13, 1799980), (14, 1671410), (20, 1169987), (23, 1017380), (26, 899990), (28, 835705), (35, 668564), (43, 544180), (46, 508690), (52, 449995), (65, 359996), (70, 334282), (86, 272090), (91, 257140), (92, 254345), (115, 203476), (130, 179998), (140, 167141), (161, 145340), (169, 138460), (172, 136045), (182, 128570), (215, 108836), (230, 101738), (260, 89999), (299, 78260), (301, 77740), (322, 72670), (338, 69230), (364, 64285), (430, 54418), (455, 51428), (460, 50869), (559, 41860), (598, 39130), (602, 38870), (644, 36335), (676, 34615), (805, 29068), (845, 27692), (860, 27209), (910, 25714), (989, 23660), (1118, 20930), (1183, 19780), (1196, 19565), (1204, 19435), (1495, 15652), (1505, 15548), (1610, 14534), (1690, 13846), (1820, 12857), (1978, 11830), (2093, 11180), (2236, 10465), (2366, 9890), (2795, 8372), (2990, 7826), (3010, 7774), (3220, 7267), (3380, 6923), (3887, 6020), (3913, 5980), (3956, 5915), (4186, 5590), (4732, 4945)]