399365928

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{1427}}^1$

素因数の和:1488

約数の個数: 144

約数和(自身を含む): 1222996320

約数和(自身を除く): 823630392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 23, 24, 26, 36, 39, 46, 52, 69, 72, 78, 92, 104, 117, 138, 156, 169, 184, 207, 234, 276, 299, 312, 338, 414, 468, 507, 552, 598, 676, 828, 897, 936, 1014, 1196, 1352, 1427, 1521, 1656, 1794, 2028, 2392, 2691, 2854, 3042, 3588, 3887, 4056, 4281, 5382, 5708, 6084, 7176, 7774, 8562, 10764, 11416, 11661, 12168, 12843, 15548, 17124, 18551, 21528, 23322, 25686, 31096, 32821, 34248, 34983, 37102, 46644, 51372, 55653, 65642, 69966, 74204, 93288, 98463, 102744, 111306, 131284, 139932, 148408, 166959, 196926, 222612, 241163, 262568, 279864, 295389, 333918, 393852, 426673, 445224, 482326, 590778, 667836, 723489, 787704, 853346, 964652, 1181556, 1280019, 1335672, 1446978, 1706692, 1929304, 2170467, 2363112, 2560038, 2893956, 3413384, 3840057, 4340934, 5120076, 5546749, 5787912, 7680114, 8681868, 10240152, 11093498, 15360228, 16640247, 17363736, 22186996, 30720456, 33280494, 44373992, 49920741, 66560988, 99841482, 133121976, 199682964, 399365928]

約数ペア:

[(1, 399365928), (2, 199682964), (3, 133121976), (4, 99841482), (6, 66560988), (8, 49920741), (9, 44373992), (12, 33280494), (13, 30720456), (18, 22186996), (23, 17363736), (24, 16640247), (26, 15360228), (36, 11093498), (39, 10240152), (46, 8681868), (52, 7680114), (69, 5787912), (72, 5546749), (78, 5120076), (92, 4340934), (104, 3840057), (117, 3413384), (138, 2893956), (156, 2560038), (169, 2363112), (184, 2170467), (207, 1929304), (234, 1706692), (276, 1446978), (299, 1335672), (312, 1280019), (338, 1181556), (414, 964652), (468, 853346), (507, 787704), (552, 723489), (598, 667836), (676, 590778), (828, 482326), (897, 445224), (936, 426673), (1014, 393852), (1196, 333918), (1352, 295389), (1427, 279864), (1521, 262568), (1656, 241163), (1794, 222612), (2028, 196926), (2392, 166959), (2691, 148408), (2854, 139932), (3042, 131284), (3588, 111306), (3887, 102744), (4056, 98463), (4281, 93288), (5382, 74204), (5708, 69966), (6084, 65642), (7176, 55653), (7774, 51372), (8562, 46644), (10764, 37102), (11416, 34983), (11661, 34248), (12168, 32821), (12843, 31096), (15548, 25686), (17124, 23322), (18551, 21528)]