99761720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1871}}^1$

素因数の和:1956

約数の個数: 64

約数和(自身を含む): 237219840

約数和(自身を除く): 137458120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1240, 1333, 1720, 1871, 2666, 3742, 5332, 6665, 7484, 9355, 10664, 13330, 14968, 18710, 26660, 37420, 53320, 58001, 74840, 80453, 116002, 160906, 232004, 290005, 321812, 402265, 464008, 580010, 643624, 804530, 1160020, 1609060, 2320040, 2494043, 3218120, 4988086, 9976172, 12470215, 19952344, 24940430, 49880860, 99761720]

約数ペア:

[(1, 99761720), (2, 49880860), (4, 24940430), (5, 19952344), (8, 12470215), (10, 9976172), (20, 4988086), (31, 3218120), (40, 2494043), (43, 2320040), (62, 1609060), (86, 1160020), (124, 804530), (155, 643624), (172, 580010), (215, 464008), (248, 402265), (310, 321812), (344, 290005), (430, 232004), (620, 160906), (860, 116002), (1240, 80453), (1333, 74840), (1720, 58001), (1871, 53320), (2666, 37420), (3742, 26660), (5332, 18710), (6665, 14968), (7484, 13330), (9355, 10664)]