144448280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{797}}^1$

素因数の和:1028

約数の個数: 64

約数和(自身を含む): 341288640

約数和(自身を除く): 196840360

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 197, 230, 394, 460, 788, 797, 920, 985, 1576, 1594, 1970, 3188, 3940, 3985, 4531, 6376, 7880, 7970, 9062, 15940, 18124, 18331, 22655, 31880, 36248, 36662, 45310, 73324, 90620, 91655, 146648, 157009, 181240, 183310, 314018, 366620, 628036, 733240, 785045, 1256072, 1570090, 3140180, 3611207, 6280360, 7222414, 14444828, 18056035, 28889656, 36112070, 72224140, 144448280]

約数ペア:

[(1, 144448280), (2, 72224140), (4, 36112070), (5, 28889656), (8, 18056035), (10, 14444828), (20, 7222414), (23, 6280360), (40, 3611207), (46, 3140180), (92, 1570090), (115, 1256072), (184, 785045), (197, 733240), (230, 628036), (394, 366620), (460, 314018), (788, 183310), (797, 181240), (920, 157009), (985, 146648), (1576, 91655), (1594, 90620), (1970, 73324), (3188, 45310), (3940, 36662), (3985, 36248), (4531, 31880), (6376, 22655), (7880, 18331), (7970, 18124), (9062, 15940)]