219254320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:674

約数の個数: 80

約数和(自身を含む): 529966080

約数和(自身を除く): 310711760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 211, 248, 310, 419, 422, 496, 620, 838, 844, 1055, 1240, 1676, 1688, 2095, 2110, 2480, 3352, 3376, 4190, 4220, 6541, 6704, 8380, 8440, 12989, 13082, 16760, 16880, 25978, 26164, 32705, 33520, 51956, 52328, 64945, 65410, 88409, 103912, 104656, 129890, 130820, 176818, 207824, 259780, 261640, 353636, 442045, 519560, 523280, 707272, 884090, 1039120, 1414544, 1768180, 2740679, 3536360, 5481358, 7072720, 10962716, 13703395, 21925432, 27406790, 43850864, 54813580, 109627160, 219254320]

約数ペア:

[(1, 219254320), (2, 109627160), (4, 54813580), (5, 43850864), (8, 27406790), (10, 21925432), (16, 13703395), (20, 10962716), (31, 7072720), (40, 5481358), (62, 3536360), (80, 2740679), (124, 1768180), (155, 1414544), (211, 1039120), (248, 884090), (310, 707272), (419, 523280), (422, 519560), (496, 442045), (620, 353636), (838, 261640), (844, 259780), (1055, 207824), (1240, 176818), (1676, 130820), (1688, 129890), (2095, 104656), (2110, 103912), (2480, 88409), (3352, 65410), (3376, 64945), (4190, 52328), (4220, 51956), (6541, 33520), (6704, 32705), (8380, 26164), (8440, 25978), (12989, 16880), (13082, 16760)]