28943300

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 65995776

約数和(自身を除く): 37052476

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 53, 86, 100, 106, 127, 172, 212, 215, 254, 265, 430, 508, 530, 635, 860, 1060, 1075, 1270, 1325, 2150, 2279, 2540, 2650, 3175, 4300, 4558, 5300, 5461, 6350, 6731, 9116, 10922, 11395, 12700, 13462, 21844, 22790, 26924, 27305, 33655, 45580, 54610, 56975, 67310, 109220, 113950, 134620, 136525, 168275, 227900, 273050, 289433, 336550, 546100, 578866, 673100, 1157732, 1447165, 2894330, 5788660, 7235825, 14471650, 28943300]

約数ペア:

[(1, 28943300), (2, 14471650), (4, 7235825), (5, 5788660), (10, 2894330), (20, 1447165), (25, 1157732), (43, 673100), (50, 578866), (53, 546100), (86, 336550), (100, 289433), (106, 273050), (127, 227900), (172, 168275), (212, 136525), (215, 134620), (254, 113950), (265, 109220), (430, 67310), (508, 56975), (530, 54610), (635, 45580), (860, 33655), (1060, 27305), (1075, 26924), (1270, 22790), (1325, 21844), (2150, 13462), (2279, 12700), (2540, 11395), (2650, 10922), (3175, 9116), (4300, 6731), (4558, 6350), (5300, 5461)]