398838160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{599}}^1$

素因数の和:689

約数の個数: 160

約数和(自身を含む): 1124928000

約数和(自身を除く): 726089840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 41, 56, 58, 70, 80, 82, 112, 116, 140, 145, 164, 203, 205, 232, 280, 287, 290, 328, 406, 410, 464, 560, 574, 580, 599, 656, 812, 820, 1015, 1148, 1160, 1189, 1198, 1435, 1624, 1640, 2030, 2296, 2320, 2378, 2396, 2870, 2995, 3248, 3280, 4060, 4193, 4592, 4756, 4792, 5740, 5945, 5990, 8120, 8323, 8386, 9512, 9584, 11480, 11890, 11980, 16240, 16646, 16772, 17371, 19024, 20965, 22960, 23780, 23960, 24559, 33292, 33544, 34742, 41615, 41930, 47560, 47920, 49118, 66584, 67088, 69484, 83230, 83860, 86855, 95120, 98236, 121597, 122795, 133168, 138968, 166460, 167720, 171913, 173710, 196472, 243194, 245590, 277936, 332920, 335440, 343826, 347420, 392944, 486388, 491180, 607985, 665840, 687652, 694840, 712211, 859565, 972776, 982360, 1215970, 1375304, 1389680, 1424422, 1719130, 1945552, 1964720, 2431940, 2750608, 2848844, 3438260, 3561055, 4863880, 4985477, 5697688, 6876520, 7122110, 9727760, 9970954, 11395376, 13753040, 14244220, 19941908, 24927385, 28488440, 39883816, 49854770, 56976880, 79767632, 99709540, 199419080, 398838160]

約数ペア:

[(1, 398838160), (2, 199419080), (4, 99709540), (5, 79767632), (7, 56976880), (8, 49854770), (10, 39883816), (14, 28488440), (16, 24927385), (20, 19941908), (28, 14244220), (29, 13753040), (35, 11395376), (40, 9970954), (41, 9727760), (56, 7122110), (58, 6876520), (70, 5697688), (80, 4985477), (82, 4863880), (112, 3561055), (116, 3438260), (140, 2848844), (145, 2750608), (164, 2431940), (203, 1964720), (205, 1945552), (232, 1719130), (280, 1424422), (287, 1389680), (290, 1375304), (328, 1215970), (406, 982360), (410, 972776), (464, 859565), (560, 712211), (574, 694840), (580, 687652), (599, 665840), (656, 607985), (812, 491180), (820, 486388), (1015, 392944), (1148, 347420), (1160, 343826), (1189, 335440), (1198, 332920), (1435, 277936), (1624, 245590), (1640, 243194), (2030, 196472), (2296, 173710), (2320, 171913), (2378, 167720), (2396, 166460), (2870, 138968), (2995, 133168), (3248, 122795), (3280, 121597), (4060, 98236), (4193, 95120), (4592, 86855), (4756, 83860), (4792, 83230), (5740, 69484), (5945, 67088), (5990, 66584), (8120, 49118), (8323, 47920), (8386, 47560), (9512, 41930), (9584, 41615), (11480, 34742), (11890, 33544), (11980, 33292), (16240, 24559), (16646, 23960), (16772, 23780), (17371, 22960), (19024, 20965)]