144433720

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 331610400

約数和(自身を除く): 187176680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 157, 211, 218, 314, 422, 436, 545, 628, 785, 844, 872, 1055, 1090, 1256, 1570, 1688, 2110, 2180, 3140, 4220, 4360, 6280, 8440, 17113, 22999, 33127, 34226, 45998, 66254, 68452, 85565, 91996, 114995, 132508, 136904, 165635, 171130, 183992, 229990, 265016, 331270, 342260, 459980, 662540, 684520, 919960, 1325080, 3610843, 7221686, 14443372, 18054215, 28886744, 36108430, 72216860, 144433720]

約数ペア:

[(1, 144433720), (2, 72216860), (4, 36108430), (5, 28886744), (8, 18054215), (10, 14443372), (20, 7221686), (40, 3610843), (109, 1325080), (157, 919960), (211, 684520), (218, 662540), (314, 459980), (422, 342260), (436, 331270), (545, 265016), (628, 229990), (785, 183992), (844, 171130), (872, 165635), (1055, 136904), (1090, 132508), (1256, 114995), (1570, 91996), (1688, 85565), (2110, 68452), (2180, 66254), (3140, 45998), (4220, 34226), (4360, 33127), (6280, 22999), (8440, 17113)]