61533220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1697}}^1$

素因数の和:1757

約数の個数: 72

約数和(自身を含む): 154470456

約数和(自身を除く): 92937236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 370, 490, 518, 740, 980, 1036, 1295, 1697, 1813, 2590, 3394, 3626, 5180, 6788, 7252, 8485, 9065, 11879, 16970, 18130, 23758, 33940, 36260, 47516, 59395, 62789, 83153, 118790, 125578, 166306, 237580, 251156, 313945, 332612, 415765, 439523, 627890, 831530, 879046, 1255780, 1663060, 1758092, 2197615, 3076661, 4395230, 6153322, 8790460, 12306644, 15383305, 30766610, 61533220]

約数ペア:

[(1, 61533220), (2, 30766610), (4, 15383305), (5, 12306644), (7, 8790460), (10, 6153322), (14, 4395230), (20, 3076661), (28, 2197615), (35, 1758092), (37, 1663060), (49, 1255780), (70, 879046), (74, 831530), (98, 627890), (140, 439523), (148, 415765), (185, 332612), (196, 313945), (245, 251156), (259, 237580), (370, 166306), (490, 125578), (518, 118790), (740, 83153), (980, 62789), (1036, 59395), (1295, 47516), (1697, 36260), (1813, 33940), (2590, 23758), (3394, 18130), (3626, 16970), (5180, 11879), (6788, 9065), (7252, 8485)]