920339388

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^2\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:329

約数の個数: 144

約数和(自身を含む): 2536279200

約数和(自身を除く): 1615939812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 89, 92, 108, 138, 178, 181, 207, 267, 276, 356, 362, 414, 529, 534, 543, 621, 724, 801, 828, 1058, 1068, 1086, 1242, 1587, 1602, 1629, 2047, 2116, 2172, 2403, 2484, 3174, 3204, 3258, 4094, 4163, 4761, 4806, 4887, 6141, 6348, 6516, 8188, 8326, 9522, 9612, 9774, 12282, 12489, 14283, 16109, 16652, 18423, 19044, 19548, 24564, 24978, 28566, 32218, 36846, 37467, 47081, 48327, 49956, 55269, 57132, 64436, 73692, 74934, 94162, 95749, 96654, 110538, 112401, 141243, 144981, 149868, 188324, 191498, 193308, 221076, 224802, 282486, 287247, 289962, 370507, 382996, 423729, 434943, 449604, 564972, 574494, 579924, 741014, 847458, 861741, 869886, 1111521, 1148988, 1271187, 1482028, 1694916, 1723482, 1739772, 2223042, 2542374, 2585223, 3334563, 3446964, 4446084, 5084748, 5170446, 6669126, 8521661, 10003689, 10340892, 13338252, 17043322, 20007378, 25564983, 34086644, 40014756, 51129966, 76694949, 102259932, 153389898, 230084847, 306779796, 460169694, 920339388]

約数ペア:

[(1, 920339388), (2, 460169694), (3, 306779796), (4, 230084847), (6, 153389898), (9, 102259932), (12, 76694949), (18, 51129966), (23, 40014756), (27, 34086644), (36, 25564983), (46, 20007378), (54, 17043322), (69, 13338252), (89, 10340892), (92, 10003689), (108, 8521661), (138, 6669126), (178, 5170446), (181, 5084748), (207, 4446084), (267, 3446964), (276, 3334563), (356, 2585223), (362, 2542374), (414, 2223042), (529, 1739772), (534, 1723482), (543, 1694916), (621, 1482028), (724, 1271187), (801, 1148988), (828, 1111521), (1058, 869886), (1068, 861741), (1086, 847458), (1242, 741014), (1587, 579924), (1602, 574494), (1629, 564972), (2047, 449604), (2116, 434943), (2172, 423729), (2403, 382996), (2484, 370507), (3174, 289962), (3204, 287247), (3258, 282486), (4094, 224802), (4163, 221076), (4761, 193308), (4806, 191498), (4887, 188324), (6141, 149868), (6348, 144981), (6516, 141243), (8188, 112401), (8326, 110538), (9522, 96654), (9612, 95749), (9774, 94162), (12282, 74934), (12489, 73692), (14283, 64436), (16109, 57132), (16652, 55269), (18423, 49956), (19044, 48327), (19548, 47081), (24564, 37467), (24978, 36846), (28566, 32218)]