254943390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{38453}}^1$

素因数の和:38493

約数の個数: 64

約数和(自身を含む): 697709376

約数和(自身を除く): 442765986

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 6630, 38453, 76906, 115359, 192265, 230718, 384530, 499889, 576795, 653701, 999778, 1153590, 1307402, 1499667, 1961103, 2499445, 2999334, 3268505, 3922206, 4998890, 6537010, 7498335, 8498113, 9805515, 14996670, 16996226, 19611030, 25494339, 42490565, 50988678, 84981130, 127471695, 254943390]

約数ペア:

[(1, 254943390), (2, 127471695), (3, 84981130), (5, 50988678), (6, 42490565), (10, 25494339), (13, 19611030), (15, 16996226), (17, 14996670), (26, 9805515), (30, 8498113), (34, 7498335), (39, 6537010), (51, 4998890), (65, 3922206), (78, 3268505), (85, 2999334), (102, 2499445), (130, 1961103), (170, 1499667), (195, 1307402), (221, 1153590), (255, 999778), (390, 653701), (442, 576795), (510, 499889), (663, 384530), (1105, 230718), (1326, 192265), (2210, 115359), (3315, 76906), (6630, 38453)]