286571720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:375

約数の個数: 128

約数和(自身を含む): 725034240

約数和(自身を除く): 438462520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 73, 85, 92, 115, 136, 146, 170, 184, 230, 251, 292, 340, 365, 391, 460, 502, 584, 680, 730, 782, 920, 1004, 1241, 1255, 1460, 1564, 1679, 1955, 2008, 2482, 2510, 2920, 3128, 3358, 3910, 4267, 4964, 5020, 5773, 6205, 6716, 7820, 8395, 8534, 9928, 10040, 11546, 12410, 13432, 15640, 16790, 17068, 18323, 21335, 23092, 24820, 28543, 28865, 33580, 34136, 36646, 42670, 46184, 49640, 57086, 57730, 67160, 73292, 85340, 91615, 98141, 114172, 115460, 142715, 146584, 170680, 183230, 196282, 228344, 230920, 285430, 311491, 366460, 392564, 421429, 490705, 570860, 622982, 732920, 785128, 842858, 981410, 1141720, 1245964, 1557455, 1685716, 1962820, 2107145, 2491928, 3114910, 3371432, 3925640, 4214290, 6229820, 7164293, 8428580, 12459640, 14328586, 16857160, 28657172, 35821465, 57314344, 71642930, 143285860, 286571720]

約数ペア:

[(1, 286571720), (2, 143285860), (4, 71642930), (5, 57314344), (8, 35821465), (10, 28657172), (17, 16857160), (20, 14328586), (23, 12459640), (34, 8428580), (40, 7164293), (46, 6229820), (68, 4214290), (73, 3925640), (85, 3371432), (92, 3114910), (115, 2491928), (136, 2107145), (146, 1962820), (170, 1685716), (184, 1557455), (230, 1245964), (251, 1141720), (292, 981410), (340, 842858), (365, 785128), (391, 732920), (460, 622982), (502, 570860), (584, 490705), (680, 421429), (730, 392564), (782, 366460), (920, 311491), (1004, 285430), (1241, 230920), (1255, 228344), (1460, 196282), (1564, 183230), (1679, 170680), (1955, 146584), (2008, 142715), (2482, 115460), (2510, 114172), (2920, 98141), (3128, 91615), (3358, 85340), (3910, 73292), (4267, 67160), (4964, 57730), (5020, 57086), (5773, 49640), (6205, 46184), (6716, 42670), (7820, 36646), (8395, 34136), (8534, 33580), (9928, 28865), (10040, 28543), (11546, 24820), (12410, 23092), (13432, 21335), (15640, 18323), (16790, 17068)]