85393720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 208882800

約数和(自身を除く): 123489080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 83, 85, 89, 136, 166, 170, 178, 289, 332, 340, 356, 415, 445, 578, 664, 680, 712, 830, 890, 1156, 1411, 1445, 1513, 1660, 1780, 2312, 2822, 2890, 3026, 3320, 3560, 5644, 5780, 6052, 7055, 7387, 7565, 11288, 11560, 12104, 14110, 14774, 15130, 23987, 25721, 28220, 29548, 30260, 36935, 47974, 51442, 56440, 59096, 60520, 73870, 95948, 102884, 119935, 125579, 128605, 147740, 191896, 205768, 239870, 251158, 257210, 295480, 479740, 502316, 514420, 627895, 959480, 1004632, 1028840, 1255790, 2134843, 2511580, 4269686, 5023160, 8539372, 10674215, 17078744, 21348430, 42696860, 85393720]

約数ペア:

[(1, 85393720), (2, 42696860), (4, 21348430), (5, 17078744), (8, 10674215), (10, 8539372), (17, 5023160), (20, 4269686), (34, 2511580), (40, 2134843), (68, 1255790), (83, 1028840), (85, 1004632), (89, 959480), (136, 627895), (166, 514420), (170, 502316), (178, 479740), (289, 295480), (332, 257210), (340, 251158), (356, 239870), (415, 205768), (445, 191896), (578, 147740), (664, 128605), (680, 125579), (712, 119935), (830, 102884), (890, 95948), (1156, 73870), (1411, 60520), (1445, 59096), (1513, 56440), (1660, 51442), (1780, 47974), (2312, 36935), (2822, 30260), (2890, 29548), (3026, 28220), (3320, 25721), (3560, 23987), (5644, 15130), (5780, 14774), (6052, 14110), (7055, 12104), (7387, 11560), (7565, 11288)]