2018895580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{2029}}^1$

素因数の和:2183

約数の個数: 96

約数和(自身を含む): 4726814400

約数和(自身を除く): 2707918820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 89, 130, 172, 178, 215, 260, 356, 430, 445, 559, 860, 890, 1118, 1157, 1780, 2029, 2236, 2314, 2795, 3827, 4058, 4628, 5590, 5785, 7654, 8116, 10145, 11180, 11570, 15308, 19135, 20290, 23140, 26377, 38270, 40580, 49751, 52754, 76540, 87247, 99502, 105508, 131885, 174494, 180581, 199004, 248755, 263770, 348988, 361162, 436235, 497510, 527540, 722324, 872470, 902905, 995020, 1134211, 1744940, 1805810, 2268422, 2347553, 3611620, 4536844, 4695106, 5671055, 7764983, 9390212, 11342110, 11737765, 15529966, 22684220, 23475530, 31059932, 38824915, 46951060, 77649830, 100944779, 155299660, 201889558, 403779116, 504723895, 1009447790, 2018895580]

約数ペア:

[(1, 2018895580), (2, 1009447790), (4, 504723895), (5, 403779116), (10, 201889558), (13, 155299660), (20, 100944779), (26, 77649830), (43, 46951060), (52, 38824915), (65, 31059932), (86, 23475530), (89, 22684220), (130, 15529966), (172, 11737765), (178, 11342110), (215, 9390212), (260, 7764983), (356, 5671055), (430, 4695106), (445, 4536844), (559, 3611620), (860, 2347553), (890, 2268422), (1118, 1805810), (1157, 1744940), (1780, 1134211), (2029, 995020), (2236, 902905), (2314, 872470), (2795, 722324), (3827, 527540), (4058, 497510), (4628, 436235), (5590, 361162), (5785, 348988), (7654, 263770), (8116, 248755), (10145, 199004), (11180, 180581), (11570, 174494), (15308, 131885), (19135, 105508), (20290, 99502), (23140, 87247), (26377, 76540), (38270, 52754), (40580, 49751)]