238990440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{641}}^1$

素因数の和:907

約数の個数: 128

約数和(自身を含む): 776563200

約数和(自身を除く): 537572760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 239, 260, 312, 390, 478, 520, 641, 717, 780, 956, 1195, 1282, 1434, 1560, 1912, 1923, 2390, 2564, 2868, 3107, 3205, 3585, 3846, 4780, 5128, 5736, 6214, 6410, 7170, 7692, 8333, 9321, 9560, 9615, 12428, 12820, 14340, 15384, 15535, 16666, 18642, 19230, 24856, 24999, 25640, 28680, 31070, 33332, 37284, 38460, 41665, 46605, 49998, 62140, 66664, 74568, 76920, 83330, 93210, 99996, 124280, 124995, 153199, 166660, 186420, 199992, 249990, 306398, 333320, 372840, 459597, 499980, 612796, 765995, 919194, 999960, 1225592, 1531990, 1838388, 1991587, 2297985, 3063980, 3676776, 3983174, 4595970, 5974761, 6127960, 7966348, 9191940, 9957935, 11949522, 15932696, 18383880, 19915870, 23899044, 29873805, 39831740, 47798088, 59747610, 79663480, 119495220, 238990440]

約数ペア:

[(1, 238990440), (2, 119495220), (3, 79663480), (4, 59747610), (5, 47798088), (6, 39831740), (8, 29873805), (10, 23899044), (12, 19915870), (13, 18383880), (15, 15932696), (20, 11949522), (24, 9957935), (26, 9191940), (30, 7966348), (39, 6127960), (40, 5974761), (52, 4595970), (60, 3983174), (65, 3676776), (78, 3063980), (104, 2297985), (120, 1991587), (130, 1838388), (156, 1531990), (195, 1225592), (239, 999960), (260, 919194), (312, 765995), (390, 612796), (478, 499980), (520, 459597), (641, 372840), (717, 333320), (780, 306398), (956, 249990), (1195, 199992), (1282, 186420), (1434, 166660), (1560, 153199), (1912, 124995), (1923, 124280), (2390, 99996), (2564, 93210), (2868, 83330), (3107, 76920), (3205, 74568), (3585, 66664), (3846, 62140), (4780, 49998), (5128, 46605), (5736, 41665), (6214, 38460), (6410, 37284), (7170, 33332), (7692, 31070), (8333, 28680), (9321, 25640), (9560, 24999), (9615, 24856), (12428, 19230), (12820, 18642), (14340, 16666), (15384, 15535)]