42728910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10709}}^1$

素因数の和:10745

約数の個数: 64

約数和(自身を含む): 123379200

約数和(自身を除く): 80650290

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 10709, 21418, 32127, 53545, 64254, 74963, 107090, 149926, 160635, 203471, 224889, 321270, 374815, 406942, 449778, 610413, 749630, 1017355, 1124445, 1220826, 1424297, 2034710, 2248890, 2848594, 3052065, 4272891, 6104130, 7121485, 8545782, 14242970, 21364455, 42728910]

約数ペア:

[(1, 42728910), (2, 21364455), (3, 14242970), (5, 8545782), (6, 7121485), (7, 6104130), (10, 4272891), (14, 3052065), (15, 2848594), (19, 2248890), (21, 2034710), (30, 1424297), (35, 1220826), (38, 1124445), (42, 1017355), (57, 749630), (70, 610413), (95, 449778), (105, 406942), (114, 374815), (133, 321270), (190, 224889), (210, 203471), (266, 160635), (285, 149926), (399, 107090), (570, 74963), (665, 64254), (798, 53545), (1330, 32127), (1995, 21418), (3990, 10709)]