209438320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2213}}^1$

素因数の和:2259

約数の個数: 120

約数和(自身を含む): 602881056

約数和(自身を除く): 393442736

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 169, 182, 208, 260, 280, 338, 364, 455, 520, 560, 676, 728, 845, 910, 1040, 1183, 1352, 1456, 1690, 1820, 2213, 2366, 2704, 3380, 3640, 4426, 4732, 5915, 6760, 7280, 8852, 9464, 11065, 11830, 13520, 15491, 17704, 18928, 22130, 23660, 28769, 30982, 35408, 44260, 47320, 57538, 61964, 77455, 88520, 94640, 115076, 123928, 143845, 154910, 177040, 201383, 230152, 247856, 287690, 309820, 373997, 402766, 460304, 575380, 619640, 747994, 805532, 1006915, 1150760, 1239280, 1495988, 1611064, 1869985, 2013830, 2301520, 2617979, 2991976, 3222128, 3739970, 4027660, 5235958, 5983952, 7479940, 8055320, 10471916, 13089895, 14959880, 16110640, 20943832, 26179790, 29919760, 41887664, 52359580, 104719160, 209438320]

約数ペア:

[(1, 209438320), (2, 104719160), (4, 52359580), (5, 41887664), (7, 29919760), (8, 26179790), (10, 20943832), (13, 16110640), (14, 14959880), (16, 13089895), (20, 10471916), (26, 8055320), (28, 7479940), (35, 5983952), (40, 5235958), (52, 4027660), (56, 3739970), (65, 3222128), (70, 2991976), (80, 2617979), (91, 2301520), (104, 2013830), (112, 1869985), (130, 1611064), (140, 1495988), (169, 1239280), (182, 1150760), (208, 1006915), (260, 805532), (280, 747994), (338, 619640), (364, 575380), (455, 460304), (520, 402766), (560, 373997), (676, 309820), (728, 287690), (845, 247856), (910, 230152), (1040, 201383), (1183, 177040), (1352, 154910), (1456, 143845), (1690, 123928), (1820, 115076), (2213, 94640), (2366, 88520), (2704, 77455), (3380, 61964), (3640, 57538), (4426, 47320), (4732, 44260), (5915, 35408), (6760, 30982), (7280, 28769), (8852, 23660), (9464, 22130), (11065, 18928), (11830, 17704), (13520, 15491)]