28961790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:234

約数の個数: 128

約数和(自身を含む): 84091392

約数和(自身を除く): 55129602

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 43, 55, 65, 66, 78, 86, 110, 129, 130, 143, 157, 165, 195, 215, 258, 286, 314, 330, 390, 429, 430, 471, 473, 559, 645, 715, 785, 858, 942, 946, 1118, 1290, 1419, 1430, 1570, 1677, 1727, 2041, 2145, 2355, 2365, 2795, 2838, 3354, 3454, 4082, 4290, 4710, 4730, 5181, 5590, 6123, 6149, 6751, 7095, 8385, 8635, 10205, 10362, 12246, 12298, 13502, 14190, 16770, 17270, 18447, 20253, 20410, 22451, 25905, 30615, 30745, 33755, 36894, 40506, 44902, 51810, 61230, 61490, 67353, 67510, 74261, 87763, 92235, 101265, 112255, 134706, 148522, 175526, 184470, 202530, 222783, 224510, 263289, 336765, 371305, 438815, 445566, 526578, 673530, 742610, 877630, 965393, 1113915, 1316445, 1930786, 2227830, 2632890, 2896179, 4826965, 5792358, 9653930, 14480895, 28961790]

約数ペア:

[(1, 28961790), (2, 14480895), (3, 9653930), (5, 5792358), (6, 4826965), (10, 2896179), (11, 2632890), (13, 2227830), (15, 1930786), (22, 1316445), (26, 1113915), (30, 965393), (33, 877630), (39, 742610), (43, 673530), (55, 526578), (65, 445566), (66, 438815), (78, 371305), (86, 336765), (110, 263289), (129, 224510), (130, 222783), (143, 202530), (157, 184470), (165, 175526), (195, 148522), (215, 134706), (258, 112255), (286, 101265), (314, 92235), (330, 87763), (390, 74261), (429, 67510), (430, 67353), (471, 61490), (473, 61230), (559, 51810), (645, 44902), (715, 40506), (785, 36894), (858, 33755), (942, 30745), (946, 30615), (1118, 25905), (1290, 22451), (1419, 20410), (1430, 20253), (1570, 18447), (1677, 17270), (1727, 16770), (2041, 14190), (2145, 13502), (2355, 12298), (2365, 12246), (2795, 10362), (2838, 10205), (3354, 8635), (3454, 8385), (4082, 7095), (4290, 6751), (4710, 6149), (4730, 6123), (5181, 5590)]